Q70 – Syndactyly
ICD-10-CM 2027 diagnosis code · Congenital malformations and deformations of the musculoskeletal system
ICD-10-CM code
Q70
- Code
Q70(claims format:Q70)- Description
- Syndactyly
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
Billable codes under Q70
Q70 is a header code and cannot be used on claims. Choose the most specific code:
- Q70.0 – Fused fingersHeader (more codes below)
- Q70.1 – Webbed fingersHeader (more codes below)
- Q70.2 – Fused toesHeader (more codes below)
- Q70.3 – Webbed toesHeader (more codes below)
- Q70.4 – Polysyndactyly, unspecifiedBillable
- Q70.9 – Syndactyly, unspecifiedBillable
Frequently asked questions
What is ICD-10 code Q70?
Q70 is the ICD-10-CM code for syndactyly, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).
Is Q70 a billable code?
No. Q70 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.