M79.644 — Pain in right finger(s)

Risk adjustment

M79.644 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

M79.644 is named in 34 Medicare coverage policies — 22 listing it as supporting medical necessity, and 12 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

• A56731Billing and Coding: Nerve Blocks and Electrostimulation for Peripheral Neuropathynot covered
• A57701Billing and Coding: Trigger Point Injections (TPI)not covered
• A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
• A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered