Alphabetic Index · main term

Langdon Down syndrome

FY2027Index: La /Alphabetic Index

Langdon Down syndrome 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 Trisomy, 21, which lists Q90.9. Confirm the code in the Tabular List before you report it.

Where the Index sends you

see Trisomy (syndrome), 21 (partial)

Q90.9BillableUse additional codeCode alsoExcludes2

Down syndrome, unspecified

Open Q90.9

First-level subterms 4