Q87.88 ICD-10-CM Code: CTNNB1 syndrome
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
Q87.88CTNNB1 syndrome
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where Q87.88 sits
- 1
Chapter 17
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- 2
Section
Other congenital malformations (Q80-Q89)
- 3
Category Q87
Other specified congenital malformation syndromes affecting multiple systems
- 4
Subcategory Q87.8
Other specified congenital malformation syndromes, not elsewhere classified
- 5
Code Q87.88
CTNNB1 syndrome
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for Q87.88.
Code first
No “code first” instruction is listed for Q87.88.
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)
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Q87.88.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Q87.88.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code Q87.88 mean?
Q87.88 is the FY 2027 U.S. ICD-10-CM code for “CTNNB1 syndrome.”
Is Q87.88 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, Q87.88 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is Q87.88 located in ICD-10-CM?
Q87.88 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Other congenital malformations (Q80-Q89) (Q80–Q89), under category Q87, Other specified congenital malformation syndromes affecting multiple systems and subcategory Q87.8, Other specified congenital malformation syndromes, not elsewhere classified.
What coding notes are listed for Q87.88?
No inclusion terms are listed for Q87.88 in this reference record. No code-first instruction is listed. Additional-code instructions: 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). No Excludes1 note is listed. No Excludes2 note is listed.
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