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Q87.88BillableSave

Q87.88 - CTNNB1 syndrome

ICD-10-CM Chapter 17: Congenital malformations, deformations and chromosomal abnormalities · Q80-Q89 Other congenital malformations (Q80-Q89) · Subcategory of Q87.8 · FY2027

Includes, Excludes and Coding Notes

Use Additional CodeFrom Q87.88

Add a secondary code to identify the associated condition or cause when it is documented.

  • 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)
Excludes 1 — Not Coded HereFrom Q87.8

Mutually exclusive: these conditions are never reported together with this code.

  • Zellweger syndrome (E71.510)
Use Additional CodeFrom Q87

Add a secondary code to identify the associated condition or cause when it is documented.

  • code(s) to identify all associated manifestations
Excludes 2 — Not Included HereFrom Chapter Q00-Q99

Not part of this code; report both codes when the patient has both conditions.

  • inborn errors of metabolism (E70-E88)
NotesFrom Chapter Q00-Q99

Instructional notes from the ICD-10-CM tabular list.

  • Codes from this chapter are not for use on maternal records

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with Q87.88.