M87.8
Other osteonecrosis
Not billable — category only 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 filed at null
No alphabetic index entry points at this code.
Alongside this code 5 same parent — M87
Subordinate codes 10
M87.80 Other osteonecrosis, unspecified bone M87.81 Other osteonecrosis, shoulder M87.82 Other osteonecrosis, humerus M87.83 Other osteonecrosis of radius, ulna and carpus M87.84 Other osteonecrosis, hand and fingers M87.85 Other osteonecrosis, pelvis and femur M87.86 Other osteonecrosis, tibia and fibula M87.87 Other osteonecrosis, ankle, foot and toes M87.88 Other osteonecrosis, other site M87.89 Other osteonecrosis, multiple sites
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.