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M79.676

Billable

Pain in unspecified toe(s)

Last updated: FY2026 ICD-10-CM (Oct 1, 2025 – Sep 30, 2026) | CMS-HCC V28 (100% phase-in, PY2026)

Is M79.676 an HCC code?

No. M79.676 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

M79.676 is the ICD-10-CM diagnosis code for pain in unspecified toe(s). Pain affecting one or more toes without a specified location. This is used when a patient experiences toe pain but the exact toe(s) affected is not documented. M79.676 sits in the ICD-10-CM chapter for diseases of the musculoskeletal system and connective tissue (m00-m99), within the section covering other soft tissue disorders (m70-m79).

M79.676 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

Verify documentation specifies which toe(s) are affected; if documented, use more specific codes (M79.671-M79.675) for individual toes.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for M79.676 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

  • Verify documentation specifies which toe(s) are affected; if documented, use more specific codes (M79.671-M79.675) for individual toes
  • This code is appropriate only when the toe location is truly unspecified or unknown

Code Hierarchy

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