Zepbound (tirzepatide (weight management)) Letter of Medical Necessity
Zepbound (tirzepatide) prior authorization typically requires documented BMI, weight-related comorbidities, and step therapy through Wegovy on many formularies. SURMOUNT trial data supports superior efficacy. For payer-by-payer obesity criteria, see our GLP-1 Prior Authorization Guide.
FDA-Approved Indications
- ● chronic weight management in adults with BMI ≥30, or ≥27 with weight-related comorbidity
- ● obstructive sleep apnea in adults with obesity
Why Zepbound Prior Authorization Gets Denied
The most common denial reasons across major payers:
- 1. Plan excludes weight-loss medications
- 2. BMI/comorbidity not documented
- 3. Wegovy not tried first
- 4. Lifestyle intervention not documented
What to Include in a Zepbound Letter of Medical Necessity
Document BMI, weight-related comorbidities, OSA AHI if applicable, lifestyle intervention history, prior pharmacotherapy outcomes, and SURMOUNT trial superiority data when challenging step therapy.
Key clinical evidence to cite:
- ✓ SURMOUNT-1 through SURMOUNT-4 trials
- ✓ Mean weight reduction 20.9% (SURMOUNT-1)
- ✓ SURMOUNT-OSA for sleep apnea indication
Relevant guidelines:
- 📖 AACE/ACE 2023 Obesity Algorithm
- 📖 AASM OSA Position Statements
Zepbound Prior Authorization Criteria
Standard criteria across major US payers for Zepbound. Specific criteria vary by plan — RxCheckUp tailors each LMN to your patient's exact payer policy.
Typical step therapy requirements:
- → Documented failure or contraindication to formulary alternatives
Required documentation:
- ✓ ICD-10 diagnosis code with specificity
- ✓ Prior therapy history with dates, doses, and discontinuation reasons
- ✓ Specialist evaluation (where applicable)
- ✓ Baseline disease activity or biomarker results
- ✓ Clinical rationale citing FDA labeling or guidelines
Approval details:
Initial approval: typically 6 months. Renewal: 12 months with documented clinical response.
Payers Covering Zepbound
RxCheckUp tailors each LMN to the specific payer's medical policy and step therapy requirements:
Zepbound Prior Authorization FAQ
Why was my Zepbound prior authorization denied?
The most common denial reasons for Zepbound are: Plan excludes weight-loss medications; BMI/comorbidity not documented; Wegovy not tried first; Lifestyle intervention not documented.
What should a Zepbound Letter of Medical Necessity include?
Document BMI, weight-related comorbidities, OSA AHI if applicable, lifestyle intervention history, prior pharmacotherapy outcomes, and SURMOUNT trial superiority data when challenging step therapy.
Which payers cover Zepbound?
Zepbound is covered by major US payers including UnitedHealthcare, Aetna, Cigna, BCBS, Express Scripts, though formulary tier and prior authorization criteria vary.