Kaiser Permanente Letter of Medical Necessity Guide
How to write an LMN and overturn a prior authorization denial with Kaiser Permanente. Includes denial reasons, turnaround times, appeals address, and clinician tips.
Quick Facts
- Avg Turnaround: 30 days standard, 72h expedited
- Appeals Address: Varies by region (KP Member Services)
- Provider Portal: https://healthy.kaiserpermanente.org/
Why Kaiser Denies Prior Authorizations
- 1. Non-formulary without exception request
- 2. Not on regional P&T list
- 3. Internal specialist referral required
Clinician Tips for Kaiser
- ✓ Kaiser is closed system — internal P&T committee decisions prevail
- ✓ Use KP internal EMR templates when possible
- ✓ Regional formularies differ (NorCal, SoCal, NW, etc.)
Kaiser is an integrated IDN — coverage decisions are made internally.
Kaiser Prior Authorization FAQ
Why does Kaiser deny prior authorizations?
The most common Kaiser denial reasons are: Non-formulary without exception request; Not on regional P&T list; Internal specialist referral required.
How long does Kaiser take to review a prior authorization?
Kaiser typically responds in 30 days standard, 72h expedited.
What should a Letter of Medical Necessity for Kaiser include?
An LMN for Kaiser Permanente 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. Kaiser is an integrated IDN — coverage decisions are made internally.