How to Get Carbaglu (Carglumic Acid) Covered by Aetna CVS Health in New Jersey: Complete Guide to Forms, Appeals, and Approval

Answer Box: Getting Carbaglu Covered by Aetna CVS Health in New Jersey

Quick Path to Approval: Aetna CVS Health covers Carbaglu (carglumic acid) for NAGS deficiency and specific organic acidemias with prior authorization. You'll need genetic/enzyme testing confirming diagnosis, elevated ammonia labs, and metabolic specialist documentation. Submit via CVS Caremark ePA or Aetna provider portal with complete clinical package.

First Step Today: Verify your plan's specialty pharmacy requirement (often CVS Specialty or Accredo) and gather genetic test results plus baseline ammonia levels. Contact your metabolic specialist for a detailed medical necessity letter addressing Aetna's specific criteria.


Table of Contents

  1. Start Here: Verify Your Plan & Find the Right Forms
  2. Required Forms & Documentation
  3. Submission Portals & Electronic Options
  4. Fax Numbers & Mailing Addresses
  5. Specialty Pharmacy Requirements
  6. Support Phone Lines & Contacts
  7. New Jersey Appeals & External Review
  8. When to Contact State Regulators
  9. Keeping Resources Current

Start Here: Verify Your Plan & Find the Right Forms

Before diving into paperwork, confirm exactly which Aetna product you have and whether your pharmacy benefit runs through CVS Caremark or another PBM.

Coverage at a Glance

Requirement What It Means Where to Find It Source
Prior Authorization Required for all plans Aetna Carbaglu Policy 2122-A Aetna
Formulary Status May be non-formulary or excluded Check your plan's drug list Plan Documents
Specialty Pharmacy Usually required CVS Specialty or Accredo Insurance Card
Genetic Testing Must confirm NAGS deficiency Lab report with pathogenic variants Aetna Policy
Ammonia Labs Baseline elevation required Lab values above reference range Aetna Policy
Specialist Documentation Metabolic/genetic specialist required Detailed clinic notes Aetna Policy
Appeals Deadline 60 days from denial Internal appeal first Aetna Member Guide

Step 1: Check Your Specific Plan Type

Call the member services number on your insurance card and ask:

  • Is my pharmacy benefit through CVS Caremark?
  • Is Carbaglu on my plan's formulary or excluded?
  • Which specialty pharmacy must I use?
  • Do I need prior authorization for Carbaglu?

Required Forms & Documentation

Aetna doesn't provide a standalone Carbaglu form but uses their standard drug prior authorization process with specific clinical criteria.

Core Documentation Needed

1. Genetic/Enzyme Testing Confirmation

  • NAGS gene testing report showing pathogenic variants
  • Or enzyme assay documenting NAGS deficiency
  • Must be from certified lab with clear interpretation

2. Biochemical Evidence

3. Specialist Medical Necessity Letter Your metabolic or genetic specialist should include:

  • Confirmed diagnosis with ICD-10 code (E72.2 for NAGS deficiency)
  • History of hyperammonemic episodes
  • Prior treatments tried and outcomes
  • Why Carbaglu is specifically needed
  • Expected dosing and monitoring plan

Clinician Corner: Medical Necessity Letter Checklist

Essential Elements for Approval:Patient's genetic testing results confirming NAGS deficiencyDocumented hyperammonemia with specific ammonia values and datesClinical history of metabolic decompensation episodesStatement that Carbaglu is FDA-approved first-line therapy for NAGS deficiencyReference to Aetna's policy criteria being metMonitoring plan including follow-up ammonia levels

Submission Portals & Electronic Options

Electronic Prior Authorization (ePA)

CoverMyMeds - Most efficient option

  • Create provider account at CoverMyMeds.com
  • Select Aetna/CVS Caremark as payer
  • Upload all required documentation
  • Track status in real-time

Aetna Provider Portal

  • Access via Aetna.com provider section
  • Navigate to pharmacy prior authorization
  • Submit with complete clinical package

Required Account Setup

Most providers find CoverMyMeds faster than Aetna's native portal. You'll need:

  • NPI number
  • DEA number (if controlled substances)
  • Practice tax ID
  • Patient's complete insurance information

Fax Numbers & Mailing Addresses

Carbaglu-Specific Contacts

For Accredo Specialty Pharmacy:

  • Fax: 888-454-8488
  • Phone: 888-454-8860
  • Emergency/STAT orders: 877-900-9223

CVS Specialty Pharmacy:

  • General prescription fax: 1-800-323-2445
  • Check specific enrollment forms for therapy-specific numbers

Cover Sheet Tips

When faxing, include a cover sheet with:

  • Patient name and date of birth
  • Insurance ID number
  • Prescriber name and NPI
  • "URGENT: Carbaglu Prior Authorization Request"
  • Total page count
  • Return fax number for questions

Specialty Pharmacy Requirements

Most Aetna plans require Carbaglu to be dispensed through a designated specialty pharmacy network.

Step-by-Step Specialty Pharmacy Enrollment

  1. Confirm Required Pharmacy
    • Check insurance card or call member services
    • Common options: CVS Specialty, Accredo
  2. Complete Enrollment
  3. Benefits Investigation
    • Specialty pharmacy will verify coverage
    • Check for copay assistance eligibility
    • Coordinate with manufacturer support programs
  4. Ongoing Management
    • Set up refill reminders
    • Monitor for prior authorization renewals
    • Track shipment status via pharmacy portal

Support Phone Lines & Contacts

Member Services

  • Aetna Member Services: Number on back of insurance card
  • CVS Caremark: 1-844-362-0934 (for pharmacy benefits)
  • CVS Specialty: Check enrollment form for specific number

Provider Support

  • Aetna Provider Services: 1-800-624-0756
  • Prior Authorization Status: Available through provider portal
  • Peer-to-Peer Reviews: Request through provider services

What to Ask When Calling

For Members:

  • "Is Carbaglu covered on my plan?"
  • "What's my specialty pharmacy copay?"
  • "How do I check prior authorization status?"

For Providers:

  • "What clinical criteria does Aetna require for Carbaglu?"
  • "Can I request an expedited review for this patient?"
  • "What's the current processing time for specialty drug PAs?"

New Jersey Appeals & External Review

If Aetna denies coverage, New Jersey residents have strong appeal rights through both internal and external review processes.

Internal Appeals Process

Timeline: File within 60 days of denial Standard Review: 30 days for authorization decisions Expedited Review: 72 hours if delay could cause serious harm

External Review Through IHCAP

New Jersey's Independent Health Care Appeals Program provides binding external review after you complete Aetna's internal appeals.

Key Details:

  • Managed by Maximus Federal Services
  • File within 4 months (180 days) of final internal denial
  • No cost to patients
  • Decision typically within 45 days
  • Binding on insurers - if approved, Aetna must cover

Contact Information:

  • IHCAP Hotline: 1-888-393-1062
  • NJ DOBI Consumer Hotline: 1-800-446-7467
From Our Advocates: We've seen several New Jersey Carbaglu cases succeed at external review when patients included comprehensive genetic testing reports and detailed specialist letters explaining the unique nature of NAGS deficiency. The key is demonstrating that Aetna's own policy criteria are clearly met, even if their initial reviewer missed it.

Appeals Playbook: Step-by-Step

  1. Request Complete Denial Letter
    • Get full explanation of denial reason
    • Note specific policy cited
    • Identify missing documentation
  2. File Internal Appeal Within 60 Days
    • Submit via Aetna member portal or mail
    • Include new clinical evidence
    • Request expedited review if urgent
  3. Prepare for External Review
    • Gather all medical records
    • Get updated specialist letter
    • Document compliance with Aetna's published criteria
  4. File IHCAP Appeal
    • Complete within 180 days of final denial
    • Include comprehensive clinical package
    • Emphasize FDA approval and lack of alternatives

When to Contact State Regulators

New Jersey Department of Banking and Insurance (DOBI)

Contact DOBI if you experience:

  • Unreasonable delays in processing
  • Violations of appeal timelines
  • Discrimination based on health status
  • Improper denial of emergency services

Contact Information:

  • Consumer Hotline: 1-800-446-7467
  • Online complaints: state.nj.us/dobi
  • Managed Care Ombudsman: Available for additional support

When to Escalate

Consider regulatory involvement if:

  • Aetna misses statutory deadlines
  • Appeals process seems unfair
  • You suspect systematic coverage denials
  • External review decision isn't honored

Keeping Resources Current

Regular Updates Needed

Quarterly Checks:

  • Formulary status changes
  • Policy updates
  • New prior authorization forms
  • Specialty pharmacy network changes

Annual Reviews:

  • Plan benefit changes
  • State law modifications
  • Appeals process updates
  • Contact information verification

Where to Check for Updates


Common Denial Reasons & How to Fix Them

Denial Reason How to Overturn Required Documentation
"Genetic confirmation not provided" Submit complete NAGS gene testing report Lab report with pathogenic variants clearly identified
"Ammonia labs missing" Provide baseline and follow-up levels Lab results with dates, values, and reference ranges
"Insufficient specialist documentation" Get detailed letter from metabolic specialist Comprehensive clinic note with diagnosis, history, and rationale
"Not medically necessary" Appeal with FDA label and guidelines Reference Aetna policy 2122-A criteria compliance
"Non-formulary drug" Request formulary exception Medical necessity letter explaining lack of alternatives

FAQ

How long does Aetna prior authorization take for Carbaglu in New Jersey? Standard reviews take 30-45 days, but expedited reviews for urgent cases can be completed within 72 hours when medical urgency is documented.

What if Carbaglu is excluded from my plan? You can request a formulary exception with strong medical necessity documentation. Many succeed when the rare disease nature and lack of alternatives are clearly demonstrated.

Can I appeal if I disagree with Aetna's decision? Yes, New Jersey residents have 60 days to file internal appeals and 180 days for external review through IHCAP after completing internal appeals.

Does step therapy apply to Carbaglu for NAGS deficiency? Aetna's policy doesn't require step therapy for confirmed NAGS deficiency, as Carbaglu is the only FDA-approved treatment.

What's the difference between CVS Specialty and Accredo for Carbaglu? Both are specialty pharmacies that can dispense Carbaglu. Your specific plan determines which one you must use - check your insurance card or call member services.

How often do I need to renew prior authorization? Aetna typically approves Carbaglu for 12-month periods, requiring reauthorization with follow-up ammonia levels showing continued benefit.


About Counterforce Health: Counterforce Health helps patients, clinicians, and specialty pharmacies turn insurance denials into successful appeals by providing evidence-backed strategies tailored to each payer's specific requirements. Our platform analyzes denial letters and creates targeted rebuttals that address payer policies point-by-point, significantly improving approval rates for complex specialty medications like Carbaglu.


Sources & Further Reading


Disclaimer: This information is for educational purposes only and does not constitute medical or legal advice. Coverage policies and procedures change frequently. Always verify current requirements with your insurance plan and consult with your healthcare provider for medical decisions. For personalized assistance with insurance appeals and coverage challenges, consider consulting with Counterforce Health or other qualified advocates.

Powered by Counterforce Health—AI that turns drug denials into evidence-based appeals patients and clinicians can submit today.