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Horizon BCBS NJCommercial · Prior Auth · Prior Authorization · Endocrinology, Family Medicine, Internal Medicine +2 moreHigh impact

GLP-1 Medical Necessity Requirements: Important Updates for Prescribers

Act
by Jan 1, 2026
Effective date
Jan 1, 2026
Identified
Oct 3, 2026

Summary

Effective January 1, 2026, Horizon Blue implemented a new prior authorization policy for GLP-1 medications used for non-diabetic indications (weight loss) on fully insured Public Sector plans and certain ASO plans. Prior authorization requests now require documentation of baseline BMI ≥35, at least one qualifying comorbidity, and ongoing lifestyle interventions. Initial approvals for obesity treatment are valid for up to 3 months; all other indications up to 6 months, with renewals available for up to 6 months if criteria are met.

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What to do

by Jan 1, 2026 · 6 steps
01Billing and clinical teams must implement prior authorization requirements for all GLP-1 prescriptions for non-diabetic use on affected Horizon Blue plans.
02Providers submitting GLP-1 PA requests must include in all documentation: baseline BMI of 35 or higher, evidence of at least one qualifying comorbidity, and proof of ongoing lifestyle interventions (diet and exercise).
03Billing team must update internal tracking systems to monitor PA approval dates and validity periods (3 months for obesity treatment, 6 months for other indications).
04Front desk/scheduling staff must flag charts 2-3 weeks before PA expiration to prompt renewal requests before member fills prescriptions.
05Update all encounter forms and EMR templates used by prescribers to include required documentation fields.
06Establish denial management protocol: claims submitted without valid PA on file will be denied and members will be responsible for full cost of medication.
If missed: Failure to submit complete documentation will delay review or result in denial.

Original notice

GLP-1 Medical Necessity Requirements: Important Updates for Prescribers
horizonblue.com · Always check the source before changing claims.
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Horizon BCBS NJ policiesEndocrinologyFamily MedicineInternal MedicineBariatric SurgeryPharmacy

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