Enhertu Prior Authorization Resources

Find the right PA form for your patient's payer, get the ICD-10 codes you need, and download appeal templates — all in one place.

Last verified: May 11, 2026

Blue Cross Blue Shield of Arkansas - Pharmacy Prior Authorization Form Arkansas Blue Cross Blue Shield · Updated May 11, 2026
Blue Cross of Idaho - General Prior Authorization Form Blue Cross of Idaho Health Services, Inc. · Updated May 11, 2026
California - Uniform Prior Authorization FormCalifornia · Updated May 16, 2026
CDPHP - General Prior Authorization FormCapital District Physicians Health Plan, Inc. · Updated May 11, 2026
Cigna - General Medication Prior Authorization FormCigna Corporation · Updated May 11, 2026
Cigna - Enhertu Prior Authorization FormCigna Corporation · Updated May 16, 2026

ICD-10 codes for Enhertu Prior Authorizations

C50.9Malignant neoplasm of breast of unspecified site
C50.01Malignant neoplasm of nipple and areola, female
C34.90Malignant neoplasm of unspecified part of unspecified bronchus or lung
C34.10Malignant neoplasm of upper lobe, unspecified bronchus or lung
C16.9Malignant neoplasm of stomach, unspecified
C16.0Malignant neoplasm of cardia

Appeal Templates

If the payer denies coverage, these templates help you build a stronger appeal.
Coverage Authorization AppealsCoverage Authorization Appeals resource
Letter of Medical Necessity Letter of Medical Necessity resource
A peer-to-peer review with the payer's medical director can often resolve denials faster than a formal appeal.

Brand Resources

Pharmacy List Pharmacy List resource
How To Order Enhertu How To Order Enhertu resource
Billing & Coding Information Billing & Coding Information resource
Enhertu PA Checklist Enhertu PA Checklist resource

Support for Getting Your Patient on Enhertu

Check coverage & formulary statusVerify PA requirements for your patient's plan.Find savings programsCopay cards, patient assistance, and more.Check medication interactionsScreen prescriptions for harmful drug combinations.