M86.8X
Other osteomyelitis
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 18 never code together
M86code
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 4
Index entries leading here 3
- Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
- Brodie's (localized) (chronic) M86.8X
- Brodie's abscess or disease M86.8X
- Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) M86.9
- specified type NEC M86.8X
Subordinate codes 10
M86.8X0 Other osteomyelitis, multiple sites M86.8X1 Other osteomyelitis, shoulder M86.8X2 Other osteomyelitis, upper arm M86.8X3 Other osteomyelitis, forearm M86.8X4 Other osteomyelitis, hand M86.8X5 Other osteomyelitis, thigh M86.8X6 Other osteomyelitis, lower leg M86.8X7 Other osteomyelitis, ankle and foot M86.8X8 Other osteomyelitis, other site M86.8X9 Other osteomyelitis, unspecified sites
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.