Q66.21 - Congenital metatarsus primus varus
- Applicable to Congenital metatarsus primus varus
- The 2026 edition of ICD10-CM Q66.21 became effective on October 1, 2025.
- This is the American ICD10-CM version of Q66.21 - other international versions of ICD10 Q66.21 may differ.
- Q66.21 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Q66.21 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
- Q66.21 - Congenital metatarsus primus varus
- Q66.21 - Congenital metatarsus primus varus
- Q66.211 - Congenital metatarsus primus varus, right foot
- Q66.212 - Congenital metatarsus primus varus, left foot
- Q66.219 - Congenital metatarsus primus varus, unspecified foot
The following codes above Q66.21 contain annotation back-references that may be applicable to Q66.21:
Chapter: Q00-QA0 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
Section: Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
Category: Q66 Congenital deformities of feet
Non-Billable/Non-Specific Code
Browse other similar CM codes
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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