MCMCB Pro
M25.773

M25.773Osteophyte, unspecified ankle

Billable / specific codeICD-10-CMunspecified

M25.773 is a billable, specific ICD-10-CM code for osteophyte, unspecified ankle. It is valid for submission on a claim.

Risk adjustment

M25.773 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

M25.773 is named in 6 Medicare coverage policies 0 listing it as supporting medical necessity, and 6 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • 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
  • A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A59434Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Related codes at this level

Codes that share M25.77. If M25.773 is not quite right, the correct code is usually one of these.

Questions about M25.773

Is M25.773 a billable ICD-10-CM code?
Yes. M25.773 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does M25.773 sit in the tabular list?
Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other joint disorders (M20-M25).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.