Q66.22 – Congenital metatarsus adductus

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

Non-billable header

ICD-10-CM code Q66.22

Code: Q66.22 (claims format: Q6622)
Description: Congenital metatarsus adductus
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: Q66 › Q66.2

Billable codes under Q66.22

Q66.22 is a header code and cannot be used on claims. Choose the most specific code:

Notes for Q66.22

Applicable to:

Congenital metatarsus varus

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Q66 – Congenital deformities of feet

Excludes1 (not coded here):

reduction defects of feet (Q72.-)
valgus deformities (acquired) (M21.0-)
varus deformities (acquired) (M21.1-)

Index terms for Q66.22

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

Related codes in Q66.2

Q66.21 – Congenital metatarsus primus varusHeader

Frequently asked questions

What is ICD-10 code Q66.22?

Q66.22 is the ICD-10-CM code for congenital metatarsus adductus, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).

Is Q66.22 a billable code?

No. Q66.22 is a header code with more specific child codes; report one of the billable codes listed above.

What category does Q66.22 belong to?

It belongs to category Q66 – Congenital deformities of feet.

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.