Q87.88 is a new billable/specific and POA-exempt diagnosis code introduced in the 2026 ICD-10-CM used to classify the following condition: CTNNB1 syndrome.
Use additional code
Code, if applicable, for associated conditions such as:
Cerebral palsy (G80.-)
Congenital heart malformations (Q20.0-Q24.9)
Developmental disorder of speech and language (F80.-)
Exudative retinopathy (H35.02-)
Intellectual disability (F70-F79)
Microcephaly (Q02)
Versions
2026
New code