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CommercialPrior AuthMedium impact

ADAMTS13, Recombinant-krhn (Adzynma) (CPB 1050, reviewed 2025-12-03)

Aetna·Hematology, Pediatrics, Internal Medicine +1 more·Medical Policy
Effective date
Dec 3, 2025
We identified it
Aug 17, 2026
Days to comply

Summary

Aetna has established a new clinical policy (CPB 1050, effective 2025-12-03) covering ADAMTS13, recombinant-krhn (Adzynma) for congenital thrombotic thrombocytic purpura (cTTP) treatment. Coverage requires precertification, genetic testing confirmation of biallelic ADAMTS13 mutations, and ADAMTS13 activity <10% at diagnosis. Billing teams must implement prior authorization requirements and update systems to handle this specialty infusion drug.

Action Required

Action needed
By 2025-12-03: Billing team must implement precertification requirements for all Adzynma (J7171) claims. (1) Update billing system to require prior authorization before claim submission; (2) Create encounter form prompts requiring provider documentation of: genetic testing confirmation with biallelic ADAMTS13 mutations AND ADAMTS13 activity level <10% at diagnosis; (3) Configure system to route all J7171 claims to precertification team; (4) Establish precertification contact protocol: call (866) 752-7021 or fax (888) 267-3277 with Statement of Medical Necessity (SMN) forms via Specialty Pharmacy Precertification; (5) Apply Site of Care Utilization Management Policy for infusion location determination; (6) Train front-desk, billing, and prior-auth staff on cTTP diagnosis requirements and specialty drug protocols. Failure to obtain precertification will result in claim denials. All applicable plan designs require precertification per policy.

Affected Billing Codes

85397
83615
83625
85049
96374
J7171
D69.42