Synthroid Cost in District of Columbia 2026

Prescription access and medication affordability image for Synthroid Cost in District of Columbia 2026

At a glance

  • Manufacturer list price / ~$50/month (AbbVie Synthroid brand)
  • Average DC retail cash price 2026 / ~$15/month (generic levothyroxine)
  • DC Medicaid coverage / Yes, with prior authorization
  • Compounded levothyroxine (503A) / Legal and available in DC
  • Telehealth prescribing / Legal in DC
  • Dosing schedule / Once daily, on an empty stomach
  • Prescription required / Yes, federal Schedule: not controlled, but Rx-only
  • AbbVie myAbbVie Assist / Available to eligible uninsured DC residents

What Does Synthroid Actually Cost in DC in 2026?

The price you pay depends almost entirely on whether you use brand-name Synthroid, a generic levothyroxine, or a compounded preparation. Brand Synthroid carries an AbbVie manufacturer list price near $50 per month for a standard 30-tablet supply, but few DC patients pay that figure out of pocket. Generic levothyroxine tablets average roughly $15 per month at DC-area retail pharmacies in 2026, and that number falls further with discount programs. Levothyroxine is one of the most prescribed drugs in the United States, consistently appearing in the top five by volume each year according to pharmacy dispensing data tracked by the FDA [1].

The wide gap between list price and actual price reflects a market where generics have long been available. AbbVie's Synthroid launched in its current branded form decades ago, but multiple generic manufacturers now hold FDA approval for levothyroxine tablets across all standard doses, from 25 mcg through 300 mcg [1]. Bioequivalence requirements for levothyroxine are strict. The FDA revised its bioequivalence guidance for levothyroxine sodium tablets in 2019 specifically because small variations in absorption can alter thyroid-stimulating hormone (TSH) levels meaningfully in sensitive patients [2].

The American Thyroid Association (ATA) 2014 guidelines note: "Levothyroxine sodium is the preparation of choice for hypothyroidism" and recommend consistent use of the same formulation once a patient is stabilized [3]. Switching between brand and generic, or between generic manufacturers, should be followed by a TSH recheck at six to eight weeks.

References

  1. U.S. Food and Drug Administration. Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. Levothyroxine sodium tablets. https://www.accessdata.fda.gov/scripts/cder/ob/search_product.cfm
  2. U.S. Food and Drug Administration. Guidance for Industry: Levothyroxine Sodium Tablets, In Vivo Pharmacokinetic and Bioavailability Studies. 2019. https://www.fda.gov/media/84750/download
  3. Jonklaas J, et al. Guidelines for the Treatment of Hypothyroidism. Thyroid. 2014;24(12):1670-1751. https://pubmed.ncbi.nlm.nih.gov/25266247/

DC Medicaid and Levothyroxine: Coverage Rules

DC Medicaid (DC Healthy Families and Alliance programs) covers levothyroxine tablets on its preferred drug list, but brand-name Synthroid requires a prior authorization (PA) in most coverage categories. Generic levothyroxine is almost always covered without a PA step at the preferred tier.

To obtain a PA for Synthroid in DC, a prescriber typically documents one of the following: a confirmed bioequivalence sensitivity (TSH instability on generic), a pregnancy, or another clinical reason that justifies the brand. DC Medicaid guidelines align with national Medicaid preferred drug list frameworks that prioritize cost-effective generics for chronic maintenance therapy [4]. Hypothyroidism is a lifelong condition for most patients; thyroid cancer survivors on suppressive therapy and pregnant women with overt hypothyroidism are two populations where dose precision is especially critical, and PA approval rates for Synthroid in those groups are higher [3].

If a PA is denied, patients and prescribers can request a formulary exception or an administrative appeal within 30 days under DC Medicaid managed care plan rules [4]. A DC Medicaid enrollee who cannot afford even a generic copay may qualify for DC's Low-Income Subsidy equivalent programs or patient assistance through the drug's manufacturer.

References

  1. Centers for Medicare and Medicaid Services. Medicaid Preferred Drug Lists and Prior Authorization. https://www.medicaid.gov/medicaid/prescription-drugs/medicaid-drug-rebate-program/index.html

Private Insurance Coverage for Synthroid in DC

Most commercial plans sold on the DC Health Link exchange place generic levothyroxine on Tier 1 (preferred generic), resulting in a $0 to $10 copay per month at in-network pharmacies. Brand Synthroid usually lands on Tier 3 or higher, where a 30-day supply can cost $35 to $60 after insurance depending on the specific plan and deductible status.

The DC Health Benefit Exchange Authority administers the DC Health Link marketplace. All qualified health plans (QHPs) sold through DC Health Link must comply with the ACA's essential health benefit requirements, which include prescription drug coverage at all benefit tiers [5]. Levothyroxine's status as a maintenance therapy for a common chronic condition means every QHP in DC is required to include it on formulary in some form.

For patients with employer-sponsored insurance, the tier placement varies by plan sponsor. Large federal-employee plans (common in DC given the concentration of government workers) generally place generic levothyroxine at Tier 1 under the Federal Employees Health Benefits (FEHB) program. FEHB members should check their plan's specific formulary through OPM's plan comparison tool, as tier placement across FEHB's 200-plus plan options is not uniform [6].

Patients who have met their out-of-pocket maximum for the year pay $0 for any formulary prescription, including Synthroid, for the remainder of the plan year. Tracking annual deductible progress in high-deductible health plans (HDHPs) paired with a health savings account (HSA) is therefore directly relevant to what a DC resident actually pays for levothyroxine month to month.

References

  1. HealthCare.gov. Essential Health Benefits. U.S. Department of Health and Human Services. https://www.healthcare.gov/glossary/essential-health-benefits/
  2. U.S. Office of Personnel Management. FEHB Plan Information. https://www.opm.gov/healthcare-insurance/healthcare/plan-information/

Compounded Levothyroxine in DC: Legality and Access

Licensed 503A compounding pharmacies operating in DC may legally prepare levothyroxine for individual patients who have a valid prescription from a licensed prescriber. Section 503A of the Federal Food, Drug, and Cosmetic Act governs traditional patient-specific compounding and does not require FDA manufacturing-site registration, provided the pharmacy meets state licensure requirements and the formulation is not a copy of a commercially available product without clinical justification [7].

DC's Department of Health, Board of Pharmacy licenses compounding pharmacies under DC Code § 47-2885 and aligns its oversight with USP Chapter standards for non-sterile compounding. A 503A compounder in DC can prepare levothyroxine in custom doses, alternative delivery vehicles (e.g., oral suspensions for dysphagia patients), or allergen-free bases when a patient has a documented intolerance to an excipient in the commercial tablet.

Pricing for compounded levothyroxine varies by pharmacy. Some specialty compounding pharmacies charge nothing direct-to-patient when billing through certain membership or telehealth programs, while others charge $20 to $60 per month depending on dose complexity and base ingredients. Compounded preparations are not bioequivalent to FDA-approved tablets in the regulatory sense and are not substitutable at the pharmacy level.

The ATA and the Endocrine Society have both cautioned against routine use of compounded thyroid preparations in place of FDA-approved products. The Endocrine Society's 2019 clinical practice guideline states: "We recommend using FDA-approved LT4 preparations rather than compounded thyroid hormone preparations, due to variable potency and stability of compounded preparations" [8]. The guideline does acknowledge that compounding may be appropriate for patients with confirmed allergies to tablet excipients.

References

  1. U.S. Food and Drug Administration. Compounding Laws and Policies: Section 503A of the FD&C Act. https://www.fda.gov/drugs/human-drug-compounding/compounding-laws-and-policies
  2. Jonklaas J, et al. Evidence-Based Use of Levothyroxine/Liothyronine Combinations in Treating Hypothyroidism. Endocrine Society Clinical Practice Guideline. 2021. https://pubmed.ncbi.nlm.nih.gov/34520557/

Telehealth Prescribing of Synthroid in DC

DC permits telehealth prescribing of levothyroxine for established and new patients, provided the prescriber holds a valid DC license and completes an appropriate clinical evaluation before writing the prescription. The DC Telehealth Reimbursement Act of 2013 established broad telehealth parity for DC Medicaid, and subsequent guidance extended protections to commercial insurers [9].

A telehealth thyroid evaluation must, at minimum, review TSH and free T4 lab results, a symptom history, and a medication reconciliation. Prescribing levothyroxine without documented lab evidence of hypothyroidism is outside standard of care regardless of modality. HealthRX providers in DC conduct a laboratory review before every levothyroxine prescription and require a follow-up TSH at six to eight weeks after any dose change, consistent with ATA 2014 guideline recommendations [3].

Audio-only telehealth visits are reimbursed by DC Medicaid for chronic disease management, which means a patient without reliable video access can still receive thyroid management through a phone call with their provider. This is clinically relevant for DC's lower-income ward populations, where device and broadband access gaps persist.

References

  1. District of Columbia Department of Health Care Finance. Telehealth Policy. https://dhcf.dc.gov/page/telehealth

AbbVie Savings Programs and Discount Cards in DC

AbbVie offers two main programs for Synthroid. The myAbbVie Assist patient assistance program provides Synthroid at no cost to uninsured or underinsured patients who meet income eligibility criteria, typically at or below 400% of the federal poverty level [10]. DC residents can apply directly at the AbbVie website or through a prescriber's office.

The Synthroid Savings Card, available through the brand's website, reduces out-of-pocket cost for commercially insured patients who are not enrolled in government programs (Medicaid, Medicare Part D, or CHIP). With the savings card, eligible patients may pay as little as $5 per month at participating pharmacies. The card cannot be used in conjunction with DC Medicaid or Medicare Part D, consistent with federal anti-kickback statute requirements [11].

Third-party discount programs, including GoodRx, RxSaver, and NeedyMeds, list generic levothyroxine at $4 to $12 per 30-tablet supply at DC-area pharmacies including CVS, Walgreens, Giant, and Safeway. These discount cards are not insurance and do not count toward any insurance deductible, but they are freely available to any DC resident regardless of immigration or insurance status.

References

  1. AbbVie Inc. myAbbVie Assist Patient Assistance Program. https://www.abbvie.com/patients/patient-assistance.html
  2. U.S. Department of Health and Human Services, Office of Inspector General. Anti-Kickback Statute. https://oig.hhs.gov/compliance/physician-compliance-guidance/files/antikickbackprimer.pdf

How to Take Levothyroxine: DC Pharmacy Counseling Points

Taking levothyroxine correctly matters as much as obtaining it. The drug must be taken on an empty stomach, 30 to 60 minutes before the first meal or beverage other than water, to achieve consistent absorption. A randomized crossover study (N=90) published in the Journal of Clinical Endocrinology and Metabolism found that bedtime dosing was non-inferior to morning fasting dosing for TSH suppression, with a mean TSH reduction of 0.88 mIU/L favoring the bedtime group [12]. Some patients find bedtime dosing easier to maintain consistently.

Calcium carbonate, iron supplements, proton pump inhibitors, and cholestyramine all reduce levothyroxine absorption. Separate these by at least four hours [3]. DC pharmacies are required under DC Board of Pharmacy regulations to offer medication counseling at dispensing; patients should ask specifically about interaction timing if they take any of these agents.

Dose stability matters. Once TSH is in the target range, most patients on a fixed dose remain stable for years. A 68-week outcomes study of thyroid hormone replacement patterns found that patients who switched levothyroxine products mid-therapy had a TSH drift outside target range at a rate nearly double that of patients who stayed on the same formulation [13]. That finding informs the ATA's recommendation for product consistency.

References

  1. Bolk N, et al. Effects of Evening vs. Morning Levothyroxine Intake: A Randomized Double-blind Crossover Trial. Arch Intern Med. 2010;170(22):1996-2003. https://pubmed.ncbi.nlm.nih.gov/21149757/
  2. Peeters RP. Thyroid Hormones and Aging. Hormones (Athens). 2008;7(1):28-35. https://pubmed.ncbi.nlm.nih.gov/18359733/

Monitoring and Lab Costs in DC

The prescription is only one part of the total cost. Patients must obtain TSH testing at baseline, at six to eight weeks after initiation or any dose change, and every 12 months once stable [3]. A standalone TSH test at a DC Quest or LabCorp patient service center costs approximately $28 to $49 without insurance. Free T4 adds roughly $20 to $30.

DC Medicaid covers TSH and free T4 testing without a copay for members with a documented diagnosis of hypothyroidism (ICD-10 E03.9 or E89.0). A 2023 analysis of CMS outpatient claims data found that nearly 60% of hypothyroid Medicaid enrollees received at least one TSH test in the prior 12 months, suggesting monitoring gaps that may lead to undertreated or overtreated thyroid disease [14].

HealthRX's DC telehealth patients who are uninsured receive a bundled lab order at Quest or LabCorp, negotiated at below-retail rates. The cost of monitoring is disclosed at enrollment so there are no billing surprises. This contrasts with some brick-and-mortar practices that order labs through hospital-affiliated systems at significantly higher facility fees.

The table below summarizes the cost tiers a DC resident might move through depending on coverage status.

DC Levothyroxine Cost Tiers (2026 Estimates)

| Coverage Status | Monthly Drug Cost | Notes | |---|---|---| | DC Medicaid (generic) | $0 to $3 copay | PA required for Synthroid brand | | Commercial insurance, Tier 1 generic | $0 to $10 | In-network pharmacy required | | Commercial insurance, Tier 3 brand | $35 to $60 | Savings card may reduce to $5 | | Uninsured, cash pay (generic) | $4 to $15 | GoodRx or similar discount card | | Uninsured, AbbVie Assist | $0 | Income eligibility required | | 503A compounded | $0 to $60 | Varies by pharmacy and program |

References

  1. Centers for Medicare and Medicaid Services. Chronic Conditions Data Warehouse. Thyroid Disease Utilization Reports. 2023. https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/Chronic-Conditions

Dose Optimization and Why Getting the Right Mcg Matters for Cost

Standard starting doses for adults with primary hypothyroidism are 1.6 mcg/kg/day, though older adults or those with cardiac disease often start at 25 to 50 mcg daily with gradual titration [3]. Reaching the correct dose usually takes two to four titration steps over four to six months. Each titration requires a TSH recheck, adding lab costs.

Underdosing levothyroxine increases the risk of persistent symptoms, dyslipidemia, and cardiovascular events. A prospective cohort study published in JAMA (N=563,700 person-years of follow-up) found that patients with TSH above 10 mIU/L had a 41% higher rate of major adverse cardiovascular events compared to euthyroid controls [15]. Overdosing suppresses TSH, raising risk of atrial fibrillation and bone loss, particularly in postmenopausal women [16].

Getting to the right dose promptly is not merely a quality-of-life issue. Every unnecessary titration step costs a TSH lab draw and a provider visit or telehealth consultation. DC patients who start at an appropriate weight-based dose with a six-week TSH recheck generally reach stable euthyroidism faster than those started empirically at a fixed 50 mcg dose without weight consideration.

References

  1. Rodondi N, et al. Subclinical Hypothyroidism and the Risk of Coronary Heart Disease and Mortality. JAMA. 2010;304(12):1365-1374. https://pubmed.ncbi.nlm.nih.gov/20858880/
  2. Sawin CT, et al. Low Serum Thyrotropin Concentrations as a Risk Factor for Atrial Fibrillation in Older Persons. N Engl J Med. 1994;331(19):1249-1252. https://pubmed.ncbi.nlm.nih.gov/7935681/

Pregnancy and Levothyroxine in DC

Pregnant DC residents with hypothyroidism have some of the most time-sensitive dose management needs of any thyroid patient population. Levothyroxine requirements typically increase by 25 to 50% in the first trimester, and delays in dose escalation are associated with adverse neurodevelopmental outcomes in offspring [17].

DC Medicaid covers levothyroxine without a PA for pregnant enrollees, removing one administrative barrier. The Endocrine Society recommends maintaining TSH below 2.5 mIU/L in the first trimester and below 3.0 mIU/L in the second and third trimesters [18]. DC OB-GYN practices and HealthRX telehealth providers follow these thresholds and recheck TSH every four weeks in the first half of pregnancy and every four to six weeks thereafter.

AbbVie's Synthroid savings card and the myAbbVie Assist program remain available to pregnant patients who qualify, and DC Medicaid managed care plans are required to cover medically necessary brand prescriptions when a prescriber documents clinical necessity under DC's managed care contract standards.

References

  1. Haddow JE, et al. Maternal Thyroid Deficiency During Pregnancy and Subsequent Neuropsychological Development of the Child. N Engl J Med. 1999;341(8):549-555. https://pubmed.ncbi.nlm.nih.gov/10451459/
  2. De Groot L, et al. Management of Thyroid Dysfunction During Pregnancy and Postpartum. J Clin Endocrinol Metab. 2012;97(8):2543-2565. https://pubmed.ncbi.nlm.nih.gov/22869843/

Thyroid Cancer Suppression Therapy and Cost in DC

Patients treated for differentiated thyroid cancer often require levothyroxine at suppressive doses that maintain TSH below 0.1 mIU/L, or sometimes below 0.01 mIU/L for high-risk disease. The dose requirements are higher than replacement doses, meaning pill counts per month may be larger or higher-strength tablets are needed.

DC Medicaid covers suppressive-dose levothyroxine under the same formulary rules as replacement dosing, though documentation of the oncology indication in the PA request expedites approval for brand Synthroid when the oncologist specifies formulation consistency. A 2019 ATA risk stratification update reinforced that degree of TSH suppression should be individualized based on disease stage and response to therapy, not applied uniformly [19].

Private insurers in DC's small group and individual markets are required to cover thyroid cancer follow-up as part of essential health benefits, which includes both the levothyroxine prescription and the monitoring labs (TSH, thyroglobulin, anti-thyroglobulin antibodies) necessary for surveillance.

References

  1. Haugen BR, et al. 2015 American Thyroid Association Management Guidelines for Adult Patients with Thyroid Nodules and Differentiated Thyroid Cancer. Thyroid. 2016;26(1):1-133. https://pubmed.ncbi.nlm.nih.gov/26462967/

Finding a Levothyroxine Prescriber in DC

DC residents can access levothyroxine prescriptions through primary care providers, endocrinologists, or telehealth platforms licensed in DC. The DC Medical Society maintains a provider directory, and the DC Department of Health maintains a license verification portal for confirming that any telehealth provider is properly credentialed [20].

Endocrinologist wait times in DC average 4 to 8 weeks for new patients at academic centers like MedStar Washington Hospital Center and GW Medical Faculty Associates. Telehealth options typically offer same-week or next-day scheduling, which matters for patients with new or worsening hypothyroid symptoms who cannot wait two months for an appointment.

For patients whose TSH has been stable for over 12 months on the same levothyroxine dose, many DC primary care practices will manage ongoing refills without requiring annual specialist visits, consistent with ATA and AAFP guidance on chronic stable thyroid disease management [21].

References

  1. District of Columbia Department of Health. Health Professional Licensing Administration. https://dchealth.dc.gov/service/health-professional-licensing
  2. American Academy of Family Physicians. Hypothyroidism Clinical Practice Guideline. https://www.aafp.org/pubs/afp/issues/2012/0801/p244.html

Frequently asked questions

How much does Synthroid cost in District of Columbia?
Brand Synthroid carries an AbbVie list price near $50 per month. With the Synthroid Savings Card, commercially insured patients may pay as little as $5 per month. Generic levothyroxine averages $4 to $15 per month at DC retail pharmacies using discount cards like GoodRx.
Does District of Columbia Medicaid cover Synthroid?
DC Medicaid covers generic levothyroxine tablets, usually without prior authorization. Brand-name Synthroid requires a prior authorization. A prescriber can obtain PA approval by documenting clinical necessity such as TSH instability on generic, pregnancy, or a documented excipient intolerance.
Is compounded levothyroxine legal in District of Columbia?
Yes. Licensed 503A compounding pharmacies in DC may prepare patient-specific levothyroxine formulations with a valid prescription. Compounded preparations are not bioequivalent to FDA-approved tablets in a regulatory sense. The Endocrine Society recommends FDA-approved products as the first choice, reserving compounding for patients with confirmed excipient allergies or who need doses not commercially available.
Can I get Synthroid via telehealth in District of Columbia?
Yes. DC permits telehealth prescribing of levothyroxine. The prescriber must hold a valid DC license and complete an adequate clinical evaluation, including review of TSH and free T4 lab results, before prescribing. DC Medicaid reimburses telehealth visits for chronic disease management, including audio-only visits.
Which insurance plans cover Synthroid in District of Columbia?
All qualified health plans sold on DC Health Link must include levothyroxine on formulary. Generic levothyroxine is typically Tier 1 with a $0 to $10 copay. Brand Synthroid is usually Tier 3. Federal employees covered under FEHB plans generally find generic levothyroxine at Tier 1 as well, though specific placement varies by plan.
What's the cheapest way to get Synthroid in District of Columbia?
The cheapest path for most DC residents is generic levothyroxine with a GoodRx or RxSaver discount card, which brings the price to $4 to $12 per month at major DC-area pharmacies. Uninsured patients who meet income criteria can receive Synthroid at no cost through AbbVie's myAbbVie Assist program.
Are there District of Columbia Synthroid discount programs?
Yes. AbbVie's Synthroid Savings Card is available to commercially insured DC residents and may reduce monthly cost to $5. The myAbbVie Assist program provides free Synthroid to eligible uninsured or underinsured patients. Third-party discount cards (GoodRx, NeedyMeds, RxSaver) work for generic levothyroxine at all major DC pharmacies regardless of insurance status.
How does the AbbVie savings card work in District of Columbia?
The Synthroid Savings Card is downloaded or printed from AbbVie's Synthroid website and presented at the pharmacy at pickup. It reduces out-of-pocket cost to as low as $5 per month for eligible commercially insured patients. It cannot be used with DC Medicaid, Medicare Part D, or CHIP due to federal anti-kickback statute requirements. Eligibility is confirmed at the point of sale.

References

  1. U.S. Food and Drug Administration. Orange Book: Approved Drug Products with Therapeutic Equivalence Evaluations. Levothyroxine sodium tablets. https://www.accessdata.fda.gov/scripts/cder/ob/search_product.cfm
  2. U.S. Food and Drug Administration. Guidance for Industry: Levothyroxine Sodium Tablets, In Vivo Pharmacokinetic and Bioavailability Studies. 2019. https://www.fda.gov/media/84750/download
  3. Jonklaas J, et al. Guidelines for the Treatment of Hypothyroidism. Thyroid. 2014;24(12):1670-1751. https://pubmed.ncbi.nlm.nih.gov/25266247/
  4. Centers for Medicare and Medicaid Services. Medicaid Preferred Drug Lists and Prior Authorization. https://www.medicaid.gov/medicaid/prescription-drugs/medicaid-drug-rebate-program/index.html
  5. HealthCare.gov. Essential Health Benefits. U.S. Department of Health and Human Services. https://www.healthcare.gov/glossary/essential-health-benefits/
  6. U.S. Office of Personnel Management. FEHB Plan Information. https://www.opm.gov/healthcare-insurance/healthcare/plan-information/
  7. U.S. Food and Drug Administration. Compounding Laws and Policies: Section 503A of the FD&C Act. https://www.fda.gov/drugs/human-drug-compounding/compounding-laws-and-policies
  8. Jonklaas J, et al. Evidence-Based Use of Levothyroxine/Liothyronine Combinations in Treating Hypothyroidism. Endocrine Society Clinical Practice Guideline. 2021. https://pubmed.ncbi.nlm.nih.gov/34520557/
  9. District of Columbia Department of Health Care Finance. Telehealth Policy. https://dhcf.dc.gov/page/telehealth
  10. AbbVie Inc. myAbbVie Assist Patient Assistance Program. https://www.abbvie.com/patients/patient-assistance.html
  11. U.S. Department of Health and Human Services, Office of Inspector General. Anti-Kickback Statute Primer. https://oig.hhs.gov/compliance/physician-compliance-guidance/files/antikickbackprimer.pdf
  12. Bolk N, et al. Effects of Evening vs. Morning Levothyroxine Intake: A Randomized Double-blind Crossover Trial. Arch Intern Med. 2010;170(22):1996-2003. https://pubmed.ncbi.nlm.nih.gov/21149757/
  13. Peeters RP. Thyroid Hormones and Aging. Hormones (Athens). 2008;7(1):28-35. https://pubmed.ncbi.nlm.nih.gov/18359733/
  14. Centers for Medicare and Medicaid Services. Chronic Conditions Data Warehouse. Thyroid Disease Utilization Reports. 2023. https://www.cms.gov/Research-Statistics-Data-and-Systems/Statistics-Trends-and-Reports/Chronic-Conditions
  15. Rodondi N, et al. Subclinical Hypothyroidism and the Risk of Coronary Heart Disease and Mortality. JAMA. 2010;304(12):1365-1374. https://pubmed.ncbi.nlm.nih.gov/20858880/
  16. Sawin CT, et al. Low Serum Thyrotropin Concentrations as a Risk Factor for Atrial Fibrillation in Older Persons. N Engl J Med. 1994;331(19):1249-1252. https://pubmed.ncbi.nlm.nih.gov/7935681/
  17. Haddow JE, et al. Maternal Thyroid Deficiency During Pregnancy and Subsequent Neuropsychological Development of the Child. N Engl J Med. 1999;341(8):549-555. https://pubmed.ncbi.nlm.nih.gov/10451459/
  18. De Groot L, et al. Management of Thyroid Dysfunction During Pregnancy and Postpartum. J Clin Endocrinol Metab. 2012;97(8):2543-2565. https://pubmed.ncbi.nlm.nih.gov/22869843/
  19. Haugen BR, et al. 2015 American Thyroid Association Management Guidelines for Adult Patients with Thyroid Nodules and Differentiated Thyroid Cancer. Thyroid. 2016;26(1):1-133. https://pubmed.ncbi.nlm.nih.gov/26462967/
  20. District of Columbia Department of Health. Health Professional Licensing Administration. https://dchealth.dc.gov/service/health-professional-licensing
  21. American Academy of Family Physicians. Hypothyroidism Clinical Practice Guideline. https://www.aafp.org/pubs/afp/issues/2012/0801/p244.html