Alphabetic Index · main term
Drift, ulnar
Drift, ulnar is a main term in the FY2027 ICD-10-CM Alphabetic Index (Index to Diseases and Injuries). It is a cross-reference: the Index sends you to Deformity, limb, specified type NEC, forearm, which lists M21.83-. Confirm the code in the Tabular List before you report it.
Where the Index sends you
see Deformity, limb (acquired), specified type NEC, forearm
Other specified acquired deformities of forearm