New code ยท FY2026
Billable: use this code on claims.
- New code, effective October 1, 2025 (FY2026).
Code breakdown
Q87.88
- Q87CategoryOther specified congenital malformation syndromes affecting multiple systems
- 8Character 4Other specified congenital malformation syndromes, not elsewhere classified
- 8Character 5CTNNB1 syndrome
Coding notes
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 (from Q87.8)
- Zellweger syndrome (E71.510)
Use additional code (from Q87)
- code(s) to identify all associated manifestations
Medicare coverage
Q87.88 is listed as a covered diagnosis in 6 Medicare billing and coding articles:
- A53060 Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
- A56580 Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56612 Billing and Coding: CT of the Head
- A56625 Billing and Coding: Echocardiography
- A56775 Billing and Coding: Magnetic Resonance Angiography
- A57071 Billing and Coding: Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography)
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ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.