M87.271 — Osteonecrosis due to previous trauma, right ankle
M87.271 is a billable, specific ICD-10-CM code for osteonecrosis due to previous trauma, right ankle. It is valid for submission on a claim.
Excludes1 inherited from the categories above M87.271
These are not written on M87.271, but they bind it: a note on a category applies to every code beneath it. Billing M87.271 with anything listed here is a denial.
Risk adjustment
M87.271 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 92 Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis0.479 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
M87.271 is named in 9 Medicare coverage policies — 2 listing it as supporting medical necessity, and 7 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
- A58883Billing 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
Code history
M87.271 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share M87.27. If M87.271 is not quite right, the correct code is usually one of these.
- M87.272Osteonecrosis due to previous trauma, left ankle
- M87.273Osteonecrosis due to previous trauma, unspecified ankle
- M87.274Osteonecrosis due to previous trauma, right foot
- M87.275Osteonecrosis due to previous trauma, left foot
- M87.276Osteonecrosis due to previous trauma, unspecified foot
- M87.277Osteonecrosis due to previous trauma, right toe(s)
- M87.278Osteonecrosis due to previous trauma, left toe(s)
- M87.279Osteonecrosis due to previous trauma, unspecified toe(s)
Questions about M87.271
- Is M87.271 a billable ICD-10-CM code?
- Yes. M87.271 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does M87.271 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other osteopathies (M86-M90).
- What cannot be coded together with M87.271?
- M87.271 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above M87.271 (M87) and apply to it just the same.