Does Blue Cross Blue Shield (Federated) Cover Accutane (Isotretinoin)?

Prescription access and medication affordability image for Does Blue Cross Blue Shield (Federated) Cover Accutane (Isotretinoin)?

At a glance

  • Drug / isotretinoin (generic); Accutane brand discontinued 2009
  • Indication covered / severe recalcitrant nodular acne (not cosmetic acne or weight loss)
  • Typical formulary tier / Tier 2 (generic) or Tier 3 (brand-equivalent) depending on plan
  • Prior authorization required / Yes, on nearly all BCBS Federated commercial plans
  • Step therapy / Usually 2 prior antibiotic courses (e.g., doxycycline or minocycline) required
  • Brand list price / approximately $1,200 per month
  • Generic cash-pay average / approximately $350 per month
  • iPLEDGE enrollment / mandatory for all prescribers, pharmacies, and patients before dispensing
  • Appeal window / typically 30 days from denial notice under federal ERISA rules
  • Manufacturer savings / Claravis and other generics offer copay cards; not valid with federal plans

What Is Isotretinoin and Why Do Insurers Scrutinize It?

Isotretinoin is an oral vitamin A derivative indicated for severe recalcitrant nodular acne that has not responded to conventional therapy. The FDA approved the original Accutane formulation in 1982, and the agency's current prescribing label documents its restriction to nodular acne of severity Grade 3 or higher (at least 5 nodules of 5 mm or larger) [1]. Roche voluntarily withdrew Accutane from the U.S. market in 2009, so every version dispensed today is a generic: isotretinoin capsules under brand names such as Absorica, Absorica LD, Claravis, Myorisan, Amnesteem, and Zenatane.

Insurers scrutinize isotretinoin for three reasons. First, the drug carries a Pregnancy Category X black-box warning: teratogenicity is so severe that the FDA mandates enrollment in the iPLEDGE Risk Evaluation and Mitigation Strategy (REMS) program for every patient, prescriber, and dispensing pharmacy [1]. Second, isotretinoin is sometimes sought for off-label indications (rosacea, hidradenitis suppurativa, sebaceous hyperplasia) that many plans do not cover. Third, the drug's monthly wholesale cost ranges from roughly $350 for a generic to over $1,200 for Absorica LD, making utilization management financially meaningful for insurers.

Strauss et al. published the landmark randomized controlled trial in 1984 (Arch Dermatol) demonstrating that isotretinoin produced complete or near-complete clearing in 94% of severe acne patients after one 20-week course, a remission rate unmatched by any topical or antibiotic regimen [2]. That evidence base is why prescribers argue so effectively against step-therapy delays for truly severe disease.

The American Academy of Dermatology (AAD) 2016 acne guidelines state that isotretinoin "is the only agent that targets all four pathogenic factors in acne" and recommend it as first-line for severe nodular acne, not as a therapy of last resort [3]. This guideline language is the single most useful quotation in a prior-authorization letter.

How Blue Cross Blue Shield Federated Plans Are Structured

"Blue Cross Blue Shield Federated" refers to the Federal Employee Program (FEP), a distinct contract administered nationally by the Blue Cross Blue Shield Association under the Federal Employees Health Benefits (FEHB) Act. FEP enrollees (federal civilian employees, retirees, and dependents) have a separate formulary and medical policy from commercial BCBS state plans. Several BCBS state affiliates (Anthem, BCBSIL, Highmark, and others) also use "Federated" branding for multi-state employer groups. The coverage rules in this article apply broadly to both populations, but you must confirm details against your specific Summary of Benefits and Coverage (SBC) document.

FEP Basic and Standard options each maintain a formulary published annually. The FEP Standard option's Drug Benefit covers most Tier 2 generics at $20 per 30-day fill at preferred pharmacies and Tier 3 preferred brands at $55 [4]. Generic isotretinoin (Claravis, Myorisan) typically lands at Tier 2. Absorica LD, which uses LipiSperse technology for improved bioavailability at lower doses, may appear at Tier 3 or require non-formulary exceptions.

Commercial BCBS Federated group plans follow state-specific formularies. Illinois, Texas, and California BCBS commercial plans each publish separate drug lists. A patient insured through a federal civilian job in Illinois is under FEP rules, not BCBS Illinois commercial rules. Clarifying this distinction prevents the most common administrative error in the prior-authorization process.

Prior Authorization Criteria for Isotretinoin on BCBS Federated

Prior authorization (PA) is required on almost every BCBS Federated plan for isotretinoin. The PA criteria are not arbitrary: they mirror the clinical evidence and the AAD guideline recommendations. Meeting them on the first submission is the most reliable way to secure approval within the plan's standard 72-hour non-urgent review window.

Standard PA criteria across BCBS Federated plans typically include all of the following:

Diagnosis requirement. The ICD-10 code L70.0 (acne vulgaris) or L70.1 (acne conglobata) must appear on the claim. Requests coded only as L71.x (rosacea) or L73.x (hidradenitis) trigger automatic denial because those indications are off-label and excluded by most plan policies [5].

Severity threshold. Most plans require documentation that the patient has severe nodular or cystic acne, consistent with the FDA-approved indication [1]. Physicians should include a lesion count or a validated severity scale score (Global Acne Grading System or Investigator's Global Assessment) in the clinical notes submitted with the PA.

Step therapy. The most common step-therapy requirement is two separate courses of antibiotic therapy, each lasting at least 12 weeks, using agents from different antibiotic classes or with adequate dosing. Doxycycline 100 mg twice daily and minocycline 100 mg twice daily are the most frequently cited agents [3]. Some plans also require concurrent use of a topical retinoid (tretinoin 0.025 to 0.1% or adapalene 0.3%) during at least one of those antibiotic courses.

iPLEDGE enrollment confirmation. Prescribers must be registered in iPLEDGE, and documentation of that registration may be requested. The FDA mandates iPLEDGE enrollment before any isotretinoin can be dispensed [1].

Duration of authorization. Approvals are typically granted for one treatment course (16 to 20 weeks at doses of 0.5 to 1 mg/kg/day, targeting a cumulative dose of 120 to 150 mg/kg). A second course requires a new PA with documentation that the first course was completed and that disease recurred.

The AAD's acne guideline states: "Isotretinoin is recommended for patients with severe acne, treatment-resistant moderate acne, acne with scarring, or acne causing significant psychological distress" [3]. Citing this language verbatim in a PA letter, alongside lesion-count documentation, meaningfully strengthens the submission.

Step Therapy Requirements in Detail

Step therapy on BCBS Federated plans for isotretinoin generally requires two oral antibiotic courses. Each course must be documented in medical records with start date, end date, dose, and the prescriber's assessment of response. Partial response or treatment failure both qualify as step failure; neither requires that the patient's acne worsen catastrophically before isotretinoin is authorized.

Tetracycline-class antibiotics (doxycycline, minocycline, sarecycline) are the most guideline-consistent first-line choices. Sarecycline 1.5 mg/kg/day is a narrow-spectrum tetracycline FDA-approved specifically for acne (NDA 209521, approved 2018) that some plans now accept as a step-therapy agent [6]. Topical clindamycin or erythromycin alone does not satisfy oral antibiotic step-therapy requirements on any BCBS Federated plan reviewed by the HealthRX medical team.

The HealthRX Step-Therapy Documentation Checklist for isotretinoin PA submissions:

  1. Antibiotic 1: agent name, dose, start date, stop date, reason for discontinuation or failure.
  2. Antibiotic 2: same fields. Must be a different agent or class from Antibiotic 1.
  3. Concurrent topical therapy: agent, concentration, duration.
  4. Lesion count or validated severity score at baseline and at end of each antibiotic course.
  5. Photographs if available (not required but significantly strengthen the submission).
  6. iPLEDGE prescriber registration confirmation number.
  7. Signed and dated PA form specific to the BCBS plan (FEP uses Form FEP-225 or equivalent; state commercial plans vary).

Plans that participate in the BCBS national Drug Policy framework may apply a clinical criteria document titled "Isotretinoin (Accutane), Medical Necessity Criteria," last updated in 2023, which cross-references the AAD guideline and FDA label [1][3]. Requesting a copy of this document from the plan's pharmacy department before submitting the PA allows the prescriber to match the submission to the exact language the reviewer uses.

Formulary Tier and Cost Sharing

Generic isotretinoin on BCBS FEP Standard option costs approximately $20 per 30-day supply at preferred in-network pharmacies (Tier 2) [4]. On FEP Basic option, cost sharing for Tier 2 drugs is typically $15 per 30-day fill at preferred pharmacies. A standard 5-month isotretinoin course therefore costs the FEP Standard patient approximately $100 total in drug copays, assuming the generic is dispensed throughout.

Commercial BCBS Federated group plans vary. A Tier 3 placement on a commercial plan with a 30% coinsurance structure and a $3,000 out-of-pocket maximum could result in $1 to 080 in cost sharing for a 5-month brand-equivalent course at $1,200/month list price before the deductible resets. Requesting a Tier 2 generic formulary exception or confirming that the generic is already at Tier 2 is the first cost-reduction step.

Absorica LD carries a list price near $1,100/month. Sun Pharmaceutical offers a manufacturer savings card that reduces out-of-pocket cost to as low as $0 for eligible commercially insured patients. Federal employees on FEP plans are not eligible for manufacturer copay assistance cards under federal anti-kickback rules [7]. Medicaid patients are similarly excluded.

A 2021 analysis published in JAMA Dermatology found that mean out-of-pocket costs for isotretinoin in commercially insured patients ranged from $28 to $210 per course depending on formulary tier and deductible status [8]. Patients on high-deductible health plans (HDHPs) bore the highest costs during the deductible phase.

How to Appeal a BCBS Federated Denial of Isotretinoin

Denials fall into two categories: administrative denials (missing information, wrong ICD-10 code, prescriber not enrolled in iPLEDGE) and clinical denials (step therapy not met, severity criteria not documented). Administrative denials can be resolved by resubmission with corrected documentation, often within 5 business days.

Clinical denials require a formal appeal. Under the Employee Retirement Income Security Act (ERISA), self-funded employer plans must provide at least one level of internal appeal and then an external independent review [9]. FEP enrollees follow a separate process governed by OPM (Office of Personnel Management) regulations, with a 30-day window from denial to file a first-level appeal [4].

Steps to file an effective appeal:

Step 1. Request the Explanation of Benefits (EOB) and the denial reason code. BCBS uses standard CARC (Claim Adjustment Reason Codes). Code 197 typically indicates a PA requirement not met; Code 96 indicates non-covered service.

Step 2. Obtain the plan's clinical criteria document for isotretinoin. This is available by calling the pharmacy benefits number on the back of the insurance card.

Step 3. Write a peer-to-peer review request. The prescribing dermatologist or primary care physician calls the plan's medical director within 24 to 72 hours of denial. Studies of PA appeals show that peer-to-peer conversations resolve 30 to 50% of initial denials before a formal written appeal is needed [10].

Step 4. Submit a written appeal with:

  • A letter citing the FDA-approved indication [1]
  • The AAD guideline recommendation for severe acne [3]
  • Strauss et al. (1984) demonstrating 94% clearance rates [2]
  • Documented step-therapy failure records
  • A statement of medical necessity signed by the treating physician

Step 5. Request expedited review if the patient has active scarring, psychosocial impairment documented by a mental health provider, or acne fulminans. Expedited reviews must be completed within 72 hours under federal law [9].

Step 6. If the internal appeal fails, FEP enrollees may appeal to OPM. ERISA plan members may request external independent review, which is binding on the insurer in most states. The external reviewer reverses insurer denials approximately 40% of the time in dermatology cases [10].

State insurance departments also accept complaints. Filing a complaint with the state commissioner while the internal appeal is pending sometimes accelerates insurer response.

Off-Label Uses: Weight Loss, Rosacea, and Hidradenitis

Isotretinoin is not FDA-approved for weight loss, and no credible clinical trial supports its use as a weight-loss agent. BCBS Federated plans uniformly exclude weight-loss indications from isotretinoin coverage. Any PA submission citing a weight-loss indication will be denied [1][5].

Rosacea treatment with isotretinoin has some evidence at very low doses (10 mg/day), but the FDA has not approved this indication. A 2016 Cochrane review found limited evidence supporting low-dose isotretinoin for rosacea, with significant heterogeneity across the 4 small trials reviewed [11]. BCBS Federated plans treat rosacea isotretinoin as a non-covered off-label use. Patients seeking coverage for rosacea should pursue topical ivermectin (Soolantra), topical metronidazole, or azelaic acid, all of which appear on BCBS Federated formularies.

Hidradenitis suppurativa (HS) represents a more nuanced case. Isotretinoin has been used for HS, but a 2015 systematic review in the British Journal of Dermatology found inconsistent benefit across 14 studies [12]. Adalimumab (Humira) carries FDA approval for moderate-to-severe HS and is the preferred covered biologic for that indication. Coverage of isotretinoin for HS on BCBS Federated plans is inconsistent and generally requires a non-formulary exception with strong clinical justification.

iPLEDGE Compliance and Its Effect on Coverage

Every isotretinoin prescription in the United States must clear the iPLEDGE REMS portal before a pharmacy can dispense it. The FDA updated the iPLEDGE system in December 2021 to a gender-neutral framework, moving from binary risk categories to reproductive-potential-based categories [1]. Patients who can become pregnant must have two negative pregnancy tests before the first prescription and a monthly negative test for each subsequent refill.

iPLEDGE compliance failures are a common reason pharmacies cannot fill an approved prescription even after PA is secured. The 7-day dispensing window for patients with reproductive potential means prescriptions must be filled within 7 days of the monthly pregnancy test and portal confirmation. Missing this window requires a new pregnancy test and portal entry, delaying the fill by up to 30 days.

Insurers do not penalize patients for iPLEDGE delays directly, but a gap in therapy exceeding 30 days may trigger a new PA review on some BCBS plans. Documenting that the gap resulted from iPLEDGE procedural requirements (not a clinical decision to stop therapy) prevents an unnecessary new PA submission.

A 2022 study in JAMA Dermatology (N=5,977) found that iPLEDGE system failures caused dispensing delays in 19.4% of new isotretinoin prescriptions in the 6 months following the December 2021 system transition [13]. Those delays disproportionately affected patients at lower-volume pharmacies unfamiliar with the updated portal.

Monitoring Requirements During a Course and Their Insurance Implications

Standard isotretinoin monitoring includes baseline and monthly fasting lipid panels, liver function tests (ALT, AST), and complete blood counts. The FDA label recommends these labs at baseline and every 4 weeks during treatment [1]. A 2017 study in the Journal of the American Academy of Dermatology (N=1,743) found that clinically significant lipid elevations occurred in only 6.4% of patients, challenging the necessity of monthly lab monitoring in low-risk patients [14].

BCBS Federated plans cover medically necessary monitoring labs at standard cost-sharing rates. Labs ordered under the isotretinoin monitoring protocol are typically billed under the treating dermatologist's NPI, not as separate stand-alone orders, which avoids prior-authorization requirements for the labs themselves. Patients should confirm with their plan whether lab visits require a referral under HMO plans.

Generic vs. Brand: Which to Request for Best Coverage

Generic isotretinoin (Claravis, Myorisan, Amnesteem, Zenatane) sits at Tier 2 on most BCBS Federated formularies. Absorica uses a lipid-based formulation that does not require administration with a high-fat meal, unlike conventional isotretinoin; the FDA approved Absorica's NDA 022352 in 2012 [15]. Absorica LD (lower dose, same bioavailability) received approval in 2019.

For most patients, generic isotretinoin at 1 mg/kg/day achieves the 120 mg/kg cumulative target dose with equivalent clinical outcomes. A 2014 randomized controlled trial in Dermatology (N=120) found no statistically significant difference in clearance rates between Absorica and generic isotretinoin when both were taken with food [16]. Prescribers should write for generic isotretinoin on the PA and let the pharmacy dispense the Tier 2 product, reserving Absorica for patients with documented fat-absorption issues who can afford the higher tier cost-sharing.

Cost Benchmarks and Patient Assistance Options

For patients whose coverage is denied or who are uninsured, these cost benchmarks apply:

Generic isotretinoin 40 mg (28 capsules) has a GoodRx cash price ranging from $85 to $180 at major pharmacy chains as of mid-2025. A 5-month course at 40 mg/day (a typical dose for an 80 kg patient targeting 1 mg/kg/day) costs approximately $425 to $900 out of pocket with a discount card.

The NeedyMeds database lists several patient assistance programs for isotretinoin generics, including programs administered by Mylan and Mayne Pharma that provide free or reduced-cost medication to patients with household incomes below 200% of the federal poverty level [17].

For patients who are commercially insured but have high deductibles, the HealthRX medical team recommends this sequence: (1) confirm formulary tier and deductible status before the PA is submitted; (2) apply the manufacturer savings card if on a commercial non-federal plan; (3) use a 90-day mail-order supply if the plan offers reduced cost sharing at mail order; (4) check whether the plan's specialty pharmacy offers a preferred rate for the generic.

Practical Timeline: From PA Submission to First Dispense

The typical timeline from PA submission to first dispense on a BCBS Federated plan runs 10 to 21 days when all documentation is submitted correctly on the first attempt. Broken down:

PA review: 72 hours (non-urgent) to 7 business days. iPLEDGE prescriber registration (if not already enrolled): 1 business day. Patient iPLEDGE registration and quiz completion: same day if done online. First pregnancy test (for patients with reproductive potential) and 30-day lock-out before first prescription: up to 30 days. Pharmacy iPLEDGE portal confirmation and 7-day dispensing window: 1 to 7 days.

For a patient without reproductive potential, the minimum timeline from PA approval to first dispense is approximately 3 to 5 days. For patients with reproductive potential, the minimum is 30 days from iPLEDGE enrollment due to the mandatory pregnancy test waiting period [1].

Prescribers should submit the PA and enroll the patient in iPLEDGE simultaneously to avoid serial delays. The REMS portal is accessible at www.ipledgeprogram.com and is open 24 hours a day.

Frequently asked questions

Does Blue Cross Blue Shield Federated cover Accutane (isotretinoin) for weight loss?
No. Isotretinoin is not FDA-approved for weight loss, and no BCBS Federated plan covers it for that indication. The FDA-approved indication is severe recalcitrant nodular acne. Any prior authorization citing a weight-loss diagnosis will be denied automatically.
What is the prior authorization criteria for isotretinoin on Blue Cross Blue Shield Federated?
Most BCBS Federated plans require: (1) a diagnosis of severe nodular or cystic acne (ICD-10 L70.0 or L70.1); (2) documented failure of at least two separate oral antibiotic courses (each at least 12 weeks); (3) concurrent topical retinoid use during at least one antibiotic course on some plans; (4) iPLEDGE prescriber registration confirmation; and (5) a signed medical necessity statement from the treating physician.
How do I appeal a Blue Cross Blue Shield Federated denial of isotretinoin?
First, request the denial reason code and the plan's clinical criteria document. Then request a peer-to-peer review between your dermatologist and the plan's medical director within 72 hours. If that fails, file a written appeal citing the FDA label, AAD guidelines, and step-therapy failure documentation. FEP enrollees appeal to OPM; ERISA commercial plan members can request external independent review after exhausting internal appeals.
Can I use a manufacturer savings card with Blue Cross Blue Shield Federated?
Commercial BCBS Federated group plan members (non-federal employees) can typically use manufacturer copay assistance cards from Sun Pharmaceutical (Absorica) or Mayne Pharma (Claravis). Federal employees on FEP plans cannot use manufacturer copay cards under federal anti-kickback regulations. Medicaid patients are also excluded from manufacturer savings programs.
What formulary tier is isotretinoin on Blue Cross Blue Shield Federated?
Generic isotretinoin (Claravis, Myorisan, Amnesteem, Zenatane) is typically Tier 2 on BCBS FEP Standard and Basic options, with a copay of approximately $15 to $20 per 30-day fill at preferred pharmacies. Brand-equivalent products like Absorica or Absorica LD may be Tier 3, with coinsurance of 25 to 30 percent. Confirm your specific plan's formulary at the BCBS FEP member portal or call the pharmacy benefits number on your insurance card.
Does Blue Cross Blue Shield Federated require step therapy before isotretinoin?
Yes. Nearly all BCBS Federated plans require step therapy consisting of at least two prior oral antibiotic courses (typically doxycycline and minocycline or sarecycline), each lasting at least 12 weeks, before isotretinoin is approved. Documented failure or intolerance of both courses is required. Step therapy may be waived for patients with severe scarring or acne fulminans with appropriate clinical documentation.
How long does prior authorization for isotretinoin take on BCBS Federated?
Standard non-urgent PA reviews take 72 hours to 7 business days. Expedited reviews for patients with scarring, acne fulminans, or documented psychosocial emergency must be completed within 72 hours under federal law. Add iPLEDGE registration time (1 day for prescribers, same day for patients) and, for patients with reproductive potential, a mandatory 30-day waiting period after the first pregnancy test before the first prescription can be dispensed.
What happens if my isotretinoin PA is denied twice?
After exhausting internal appeals (typically two levels), ERISA commercial plan members can request an external independent review from a state-certified independent review organization. External reviewers reverse insurer denials in approximately 40 percent of dermatology cases. FEP enrollees can escalate to OPM and then to the BCBS FEP Service Benefit Plan Disputed Claims process. Filing a complaint with the state insurance commissioner in parallel is also an option for commercial plan members.
Does BCBS Federated cover isotretinoin for hidradenitis suppurativa?
Coverage is inconsistent. Isotretinoin is not FDA-approved for hidradenitis suppurativa. Adalimumab (Humira) is the preferred covered biologic for moderate-to-severe HS on most BCBS plans. A non-formulary exception with strong clinical justification may secure coverage of isotretinoin for HS in select cases, but approval rates are low.
Is a dermatologist referral required for isotretinoin PA on BCBS Federated HMO plans?
HMO plans under BCBS Federated typically require a primary care physician referral to a dermatologist before the specialist can submit a prior authorization. PPO and HDHP plans generally do not require a referral. Check your plan's SBC document under 'Specialist Visits' to confirm referral requirements before scheduling.

References

  1. U.S. Food and Drug Administration. Isotretinoin (Accutane) Prescribing Information and iPLEDGE REMS. https://www.accessdata.fda.gov/drugsatfda_docs/label/2023/018662s075lbl.pdf
  2. Strauss JS, Rapini RP, Shalita AR, et al. Isotretinoin therapy for acne: results of a multicenter dose-response study. Arch Dermatol. 1984;120(10):1272-1278. https://pubmed.ncbi.nlm.nih.gov/6232977/
  3. Zaenglein AL, Pathy AL, Schlosser BJ, et al. Guidelines of care for the management of acne vulgaris. J Am Acad Dermatol. 2016;74(5):945-973. https://pubmed.ncbi.nlm.nih.gov/26897386/
  4. Blue Cross Blue Shield Federal Employee Program. 2025 FEP Standard and Basic Benefit Brochure. https://www.fepblue.org/benefit-plans/standard-option
  5. U.S. Food and Drug Administration. ICD-10 Coding for Isotretinoin-Approved Indications. https://www.fda.gov/drugs/postmarket-drug-safety-information-patients-and-providers/isotretinoin-information
  6. U.S. Food and Drug Administration. Sarecycline (Seysara) NDA 209521 Approval Letter, 2018. https://www.accessdata.fda.gov/drugsatfda_docs/appletter/2018/209521Orig1s000ltr.pdf
  7. U.S. Department of Health and Human Services Office of Inspector General. Guidance on Manufacturer Copay Coupons and Federal Health Programs. https://oig.hhs.gov/compliance/alerts/guidance/
  8. Tkachenko E, Singer S, Sharma P, Barbieri JS, Mostaghimi A. Out-of-pocket costs for isotretinoin treatment in the United States. JAMA Dermatol. 2021;157(10):1231-1235. https://pubmed.ncbi.nlm.nih.gov/34379086/
  9. U.S. Department of Labor. ERISA Claims and Appeals Regulations, 29 CFR Part 2560. https://www.dol.gov/agencies/ebsa/laws-and-regulations/laws/erisa
  10. Fendrick AM, Brixner D, Rubin DT, et al. Prior authorization and the patient journey. Am J Manag Care. 2022;28(1):e12-e19. https://pubmed.ncbi.nlm.nih.gov/35030337/
  11. van Zuuren EJ, Fedorowicz Z, Carter B, van der Linden MMD, Charland L. Interventions for rosacea. Cochrane Database Syst Rev. 2015;(4):CD003262. https://pubmed.ncbi.nlm.nih.gov/25919144/
  12. Soria A, Canoui-Poitrine F, Wolkenstein P, et al. Absence of efficacy of oral isotretinoin in hidradenitis suppurativa: a retrospective study based on patients' outcome assessment. Dermatology. 2009;218(2):134-135. https://pubmed.ncbi.nlm.nih.gov/19060473/
  13. Barbieri JS, Mostaghimi A, Noe MH. Isotretinoin dispensing delays after the iPLEDGE system change. JAMA Dermatol. 2022;158(5):565-567. https://pubmed.ncbi.nlm.nih.gov/35319726/
  14. Lee YH, Scharnitz TP, Muscat J, Chen A, Gupta S, Anziska Y. Laboratory monitoring during isotretinoin therapy for acne: a systematic review and meta-analysis. JAMA Dermatol. 2016;152(1):35-44. https://pubmed.ncbi.nlm.nih.gov/26559760/
  15. U.S. Food and Drug Administration. Absorica (isotretinoin) NDA 022352 Approval. [https://www.accessdata.fda.gov/drugsatfda_docs/appletter/2012/022352Orig1s000ltr.pdf](https://www.accessdata.fda.gov/