Independence Blue Cross Medicare Advantage policy MA08.070g for Golimumab (Simponi Aria IV) has been updated with a new ICD-10 diagnosis code M05.A (Abnormal rheumatoid factor and anti-citrullinated protein antibody with rheumatoid arthritis) effective 10/01/2025. Billing teams must ensure claims for golimumab IV injection include this newly added diagnosis code to support medical necessity for rheumatoid arthritis cases.
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01Billing team must update diagnosis coding guidelines and claim submission protocols to include ICD-10 code M05.A when billing HCPCS code J1602 for golimumab IV injection in Medicare Advantage members with rheumatoid arthritis.
02Verify that encounter forms and EMR templates include M05.A as a supported diagnosis code for this medication.
03Update billing system edit rules to recognize M05.A as a valid diagnosis for J1602 claims.
04Providers should be notified to document this specific diagnosis code when prescribing Simponi Aria IV for RA patients.
05Claims submitted without updated diagnosis codes may be subject to denial or rejection for incomplete medical necessity documentation.
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