M87.872
Other osteonecrosis, left ankle
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 12 never code together
M00-M99chapter
Excludes2
- arthropathic psoriasis (L40.5-)L40.5-
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- compartment syndrome (traumatic) (T79.A-)T79.A-
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
Index entries leading here 1
Alongside this code 8 same parent — M87.87
M87.871 Other osteonecrosis, right ankle M87.873 Other osteonecrosis, unspecified ankle M87.874 Other osteonecrosis, right foot M87.875 Other osteonecrosis, left foot M87.876 Other osteonecrosis, unspecified foot M87.877 Other osteonecrosis, right toe(s) M87.878 Other osteonecrosis, left toe(s) M87.879 Other osteonecrosis, unspecified toe(s)
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.