Q70.1 – Webbed fingers

ICD-10-CM 2027 diagnosis code · Congenital malformations and deformations of the musculoskeletal system

Non-billable header

ICD-10-CM code Q70.1

Code: Q70.1 (claims format: Q701)
Description: Webbed fingers
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
Parent codes: Q70

Billable codes under Q70.1

Q70.1 is a header code and cannot be used on claims. Choose the most specific code:

Q70.10 – Webbed fingers, unspecified handBillable
Q70.11 – Webbed fingers, right handBillable
Q70.12 – Webbed fingers, left handBillable
Q70.13 – Webbed fingers, bilateralBillable

Notes for Q70.1

Applicable to:

Simple syndactyly of fingers without synostosis

Index terms for Q70.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in Q70

Q70.0 – Fused fingersHeader
Q70.2 – Fused toesHeader
Q70.3 – Webbed toesHeader
Q70.4 – Polysyndactyly, unspecifiedBillable
Q70.9 – Syndactyly, unspecifiedBillable

Frequently asked questions

What is ICD-10 code Q70.1?

Q70.1 is the ICD-10-CM code for webbed fingers, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).

Is Q70.1 a billable code?

No. Q70.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does Q70.1 belong to?

It belongs to category Q70 – Syndactyly.

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.