ICD-10-CM Code Q66.22

Congenital metatarsus adductus

Version 2020 Replaced Code Non-Billable Code

Not Valid for Submission

Q66.22 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of congenital metatarsus adductus. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:Q66.22
Short Description:Congenital metatarsus adductus
Long Description:Congenital metatarsus adductus

Consider the following ICD-10 codes with a higher level of specificity:

Replaced Code

This code was replaced in the 2020 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2019. This code was replaced for the FY 2020 (October 1, 2019 - September 30, 2020).

  • Q66.221 - Congenital metatarsus adductus, right foot
  • Q66.222 - Congenital metatarsus adductus, left foot
  • Q66.229 - Congenital metatarsus adductus, unspecified foot

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Q66.22:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Congenital metatarsus varus

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code Q66.22 are found in the index:


Replacement Code

Q6622 replaces the following previously assigned ICD-10 code(s):

  • Q66.2 - Congenital metatarsus (primus) varus

Convert Q66.22 to ICD-9

Code Classification

  • Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
    • Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)
      • Congenital deformities of feet (Q66)

Code History

  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - Code Deleted, effective from 10/1/2019 through 9/30/2020