How to Get Orfadin (Nitisinone) Covered by Aetna CVS Health in Ohio: Prior Authorization Forms, Appeal Deadlines, and Medical Necessity Requirements

Quick Answer: Getting Orfadin (Nitisinone) Covered by Aetna CVS Health in Ohio

Aetna CVS Health requires prior authorization for Orfadin (nitisinone) with strict documentation of hereditary tyrosinemia type 1 (HT-1) diagnosis. The fastest path to approval: 1) Gather biochemical proof (elevated succinylacetone in blood/urine), 2) Submit Aetna's 2024 prior authorization form with HT-1 diagnosis and dietary management plan, 3) If denied, file internal appeal within 180 days, then external review through Ohio Department of Insurance. Standard PA decisions come within 72 hours; urgent requests within 24 hours. Start with your provider submitting the PA request through Aetna's provider portal or fax.

Table of Contents

Coverage Requirements Overview

Aetna CVS Health classifies Orfadin (nitisinone) as a specialty medication requiring prior authorization across all plan types—HMO, PPO, and Medicare Advantage plans in Ohio. The drug is dispensed exclusively through CVS Specialty Pharmacy and requires ongoing clinical documentation to maintain coverage.

Key Policy Points

Requirement Details Where to Find It
Prior Authorization Required for all strengths Aetna 2024 Precertification List
Formulary Status Specialty tier, non-preferred Plan-specific drug guides
Site of Care CVS Specialty only CVS Specialty drug list
Diagnosis Requirement Hereditary tyrosinemia type 1 PA criteria documents
Step Therapy May require generic nitisinone trial Varies by plan

Medical Necessity Criteria

Aetna CVS Health's approval hinges on proving medical necessity for hereditary tyrosinemia type 1. The insurer follows strict FDA labeling guidelines and requires comprehensive clinical documentation.

Required Diagnostic Evidence

Biochemical Confirmation:

  • Elevated succinylacetone (>2 μmol/L) in blood, urine, or dried blood spot
  • Elevated plasma tyrosine, phenylalanine, and methionine levels
  • Abnormal liver function tests (AST, ALT, alpha-fetoprotein)

Genetic Testing:

  • FAH gene sequencing showing pathogenic variants
  • GSTZ1 analysis if FAH results are inconclusive

Clinical Documentation:

  • Specialist consultation notes from metabolic/genetic physician
  • Evidence of dietary restriction plan for tyrosine and phenylalanine
  • Baseline weight for proper dosing calculations
  • Treatment goals and monitoring plan
Clinician Corner: Your medical necessity letter should include: (1) Clear HT-1 diagnosis with lab values, (2) Documentation of why Orfadin is preferred over generic nitisinone (if applicable), (3) Weight-based dosing rationale (1 mg/kg twice daily starting dose), (4) Monitoring plan for succinylacetone levels, and (5) References to FDA labeling and current treatment guidelines.

Step-by-Step: Fastest Path to Approval

1. Gather Required Documentation (Patient + Provider)

Who: Provider's office
What: HT-1 diagnosis confirmation, recent labs, specialist consultation notes
Timeline: 1-2 business days
Source: Aetna PA requirements

2. Complete 2024 Prior Authorization Form

Who: Prescribing physician
What: Aetna-specific Orfadin PA form with clinical rationale
How: Submit via Aetna provider portal (Availity) or fax
Timeline: Same day submission

3. Submit Supporting Clinical Notes

Who: Provider's office
What: Specialist consultation, dietary counseling notes, lab results
How: Attach to PA submission or submit separately
Timeline: Include with initial submission

4. Follow Up on Decision Timeline

Who: Provider or patient
What: Track PA status
Timeline: Standard decisions within 72 hours; urgent within 24 hours
Note: Automatic approval if Aetna doesn't respond within timeframes

5. If Approved: Coordinate with CVS Specialty

Who: Patient
What: Set up specialty pharmacy services
How: CVS Specialty will contact patient directly
Timeline: 3-5 business days for first shipment

6. If Denied: Initiate Internal Appeal

Who: Provider or patient
What: Submit appeal with additional documentation
Timeline: Must appeal within 180 days of denial
Source: Ohio external review process

7. If Still Denied: Request External Review

Who: Patient
What: File with Ohio Department of Insurance
Timeline: Within 180 days of final internal denial
Contact: Ohio DOI Consumer Services: 800-686-1526

Common Denial Reasons & Solutions

Denial Reason Solution Required Documentation
"Diagnosis not confirmed" Submit biochemical and genetic testing Succinylacetone levels, FAH gene results
"Step therapy required" Document generic nitisinone failure/intolerance Prior therapy records, adverse reactions
"Experimental/investigational" Cite FDA approval for HT-1 FDA labeling
"Quantity limits exceeded" Justify weight-based dosing Current weight, dosing calculations
"Not medically necessary" Provide specialist consultation Metabolic physician assessment

Appeals Process in Ohio

Ohio residents have robust appeal rights when Aetna CVS Health denies coverage for Orfadin (nitisinone).

Internal Appeals with Aetna

  • First Level: Submit written appeal within 180 days
  • Timeline: Standard review within 30 days; expedited within 72 hours
  • Required: Denial letter, additional clinical evidence, provider support

External Review Through Ohio Department of Insurance

  • Eligibility: After exhausting internal appeals
  • Timeline: Request within 180 days of final internal denial
  • Process: Independent Review Organization (IRO) conducts medical review
  • Decision Timeline: 30 days standard; 72 hours expedited
  • Binding: IRO decision is binding on Aetna
Important: Even if Aetna claims your case isn't eligible for external review, the Ohio Department of Insurance can independently determine eligibility and order a review.

Contact Information:

When patients face insurance denials for rare disease treatments like Orfadin, having expert support can make the difference between approval and continued delays. Counterforce Health specializes in turning insurance denials into targeted, evidence-backed appeals by analyzing denial letters, plan policies, and clinical notes to craft point-by-point rebuttals aligned with each payer's specific requirements. The platform pulls the right medical citations and weaves them into appeals that meet procedural requirements while tracking deadlines and required documentation.

Dosing and Quantity Limits

Aetna CVS Health follows FDA-approved dosing guidelines for Orfadin (nitisinone):

Standard Dosing Protocol

  • Starting Dose: 0.5 mg/kg orally twice daily
  • Titration: Increase to 0.75 mg/kg twice daily if succinylacetone remains detectable after 4 weeks
  • Maximum: 2 mg/kg/day total
  • Monitoring: Maintain blood nitisinone levels between 40-60 μmol/L

Insurance Coverage Limits

  • Quantity Limit: Based on weight-based dosing (maximum 2 mg/kg/day)
  • Supply Limit: 1-month supply per dispensing
  • Renewal Requirements: Annual documentation of continued benefit and adherence >85%

Cost-Saving Options

Manufacturer Support

  • Sobi Patient Access Program: May provide copay assistance
  • Contact: Check Orfadin.com for current programs

Foundation Grants

  • National Organization for Rare Disorders (NORD): Medication assistance
  • HealthWell Foundation: Copay support for rare diseases

Generic Alternatives

  • Generic nitisinone may be preferred by Aetna and cost less
  • Requires documentation if brand Orfadin is medically necessary

When to Escalate

Contact Ohio regulators if you encounter:

  • Delays beyond standard timeframes (72 hours standard, 24 hours urgent)
  • Improper denial of external review eligibility
  • Lack of response from Aetna customer service

Ohio Department of Insurance Complaint Process:

  • File online complaint at insurance.ohio.gov
  • Include: denial letters, correspondence, timeline of events
  • ODI will investigate and can compel insurer response

Frequently Asked Questions

How long does Aetna CVS Health prior authorization take for Orfadin? Standard requests: 72 hours. Urgent requests: 24 hours. If Aetna doesn't respond within these timeframes, the request is automatically approved.

What if Orfadin is non-formulary on my plan? Request a formulary exception with documentation that preferred alternatives (generic nitisinone) are inappropriate due to medical reasons.

Can I request an expedited appeal in Ohio? Yes, if delays would seriously endanger your health. Expedited appeals are decided within 72 hours.

Does step therapy apply if I've tried generics outside Ohio? Previous therapy records from any location can satisfy step therapy requirements if properly documented.

What's the difference between internal and external appeals? Internal appeals are reviewed by Aetna. External appeals are reviewed by independent medical experts through Ohio's Department of Insurance and are binding on the insurer.

How do I prove medical necessity for Orfadin over generic nitisinone? Document specific medical reasons such as intolerance, adverse reactions, or formulation requirements that make the brand necessary.

What happens if I miss the 180-day appeal deadline? Contact the Ohio Department of Insurance immediately. In some cases, good cause exceptions may apply for late filings.

Can my doctor request a peer-to-peer review? Yes, providers can request to speak directly with Aetna's medical director to discuss the case and provide additional clinical context.


This guide provides educational information about insurance coverage and appeals processes. It does not constitute medical or legal advice. For personalized guidance, consult with your healthcare provider and insurance representative. For questions about Ohio's external review process, contact the Ohio Department of Insurance at 800-686-1526.

Sources & Further Reading

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