CVS Caremark Letter of Medical Necessity Guide
How to write an LMN and overturn a prior authorization denial with CVS Caremark. Includes denial reasons, turnaround times, appeals address, and clinician tips.
Quick Facts
- Avg Turnaround: 72h standard, 24h expedited
- Appeals Address: CVS Caremark Appeals Department, MC109, PO Box 52084, Phoenix, AZ 85072
- Provider Portal: https://www.caremark.com/
Why Caremark Denies Prior Authorizations
- 1. Non-formulary
- 2. Step therapy
- 3. Quantity limit
- 4. Age edit
Clinician Tips for Caremark
- ✓ Caremark manages pharmacy benefit for Aetna + many employers
- ✓ Use CoverMyMeds for electronic PA
- ✓ Appeals can be submitted via fax or portal
PBM — pharmacy benefit only; medical benefit handled separately.
Caremark Prior Authorization FAQ
Why does Caremark deny prior authorizations?
The most common Caremark denial reasons are: Non-formulary; Step therapy; Quantity limit; Age edit.
How long does Caremark take to review a prior authorization?
Caremark typically responds in 72h standard, 24h expedited.
What should a Letter of Medical Necessity for Caremark include?
An LMN for CVS Caremark should reference the specific medical policy or coverage bulletin, document failed first-line therapies with dates, include current labs and ICD-10 codes, and cite supporting clinical guidelines. PBM — pharmacy benefit only; medical benefit handled separately.