ICD-10 Code for Osteochondromatosis
The ICD-10-CM code for osteochondromatosis is D16.9 — Benign neoplasm of bone and articular cartilage, unspecified. This is the code the Alphabetic Index gives for osteochondromatosis with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
D16.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which osteochondromatosis code should you use?
The Alphabetic Index lists 2 codes under Osteochondromatosis. 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
| syndrome | Q78.4 | Enchondromatosis |
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