G9504 Documented reason for not assessing hepatitis b virus (hbv) status (e.g., patient not initiating anti-tnf therapy, patient declined) prior to initiating anti-tnf therapy
Short descriptor: Doc rsn hep b stat not asses
Look up G9504 alongside ICD-10-CM diagnoses, the HCPCS Table of Drugs, and the AI coding assistant.
G9504 is the HCPCS Level II code for Documented reason for not assessing hepatitis b virus (hbv) status (e.g., patient not initiating anti-tnf therapy, patient declined) prior to initiating anti-tnf therapy (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Not separately priced by Part B.
Classification & CMS Attributes
- Medicare Coverage
- Carrier judgment (code C)
- Part B Pricing
- Not separately priced by Part B (indicator 00)
- Type of Service
- Medical care
- Effective Date
- 2018-01-01
- 2026 Maintenance
- No change this year
References
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G9504 — Documented reason for not assessing hepatitis b virus (hbv) status (e.g., patient not initiating anti-tnf therapy, patient declined) prior to initiating anti-tnf therapy. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G9504
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