FY2027
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ICD-10 Code for Osteolysis

The ICD-10-CM code for osteolysis is M89.50 — Osteolysis, unspecified site. This is the code the Alphabetic Index gives for osteolysis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

BillableUnspecified

M89.50 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.

Which osteolysis code should you use?

The Alphabetic Index lists 10 codes under Osteolysis. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.

By type

carpusM89.54Not billableOsteolysis, hand
clavicleM89.51Not billableOsteolysis, shoulder
femurM89.55Not billableOsteolysis, thigh
fibulaM89.56Not billableOsteolysis, lower leg
fingerM89.54Not billableOsteolysis, hand
humerusM89.52Not billableOsteolysis, upper arm
iliumM89.58Osteolysis, other site
ischiumM89.58Osteolysis, other site
metacarpusM89.54Not billableOsteolysis, hand
metatarsusM89.57Not billableOsteolysis, ankle and foot
multiple sitesM89.59Osteolysis, multiple sites
neckM89.58Osteolysis, other site
pubic ramus [pubis]M89.58Osteolysis, other site
radiusM89.53Not billableOsteolysis, forearm
ribM89.58Osteolysis, other site
scapulaM89.51Not billableOsteolysis, shoulder
skullM89.58Osteolysis, other site
tarsusM89.57Not billableOsteolysis, ankle and foot
tibiaM89.56Not billableOsteolysis, lower leg
toeM89.57Not billableOsteolysis, ankle and foot
ulnaM89.53Not billableOsteolysis, forearm
vertebraM89.58Osteolysis, other site

Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources