Billable / Specific Code
ICD-10-CM Q66.221 is the diagnosis code for Congenital metatarsus adductus, right foot. This code falls under the section "Congenital malformations and deformations of the musculoskeletal system" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where Q66.221 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Q66.221 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Q66.221 is the ICD-10-CM diagnosis code for "Congenital metatarsus adductus, right foot". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Q66.221 is Q66.22 ("Congenital metatarsus adductus"). Q66.221 provides a more specific classification within this category.
Q66.221 is located in Section Q65-Q79 — "Congenital malformations and deformations of the musculoskeletal system" within Chapter 17 of the ICD-10-CM Tabular List.
Q66.221 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use Q66.221 when the patients documented diagnosis matches "Congenital metatarsus adductus, right foot" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Congenital metatarsus adductus, right foot is Q66.221.
Yes, Q66.221 can be used as a primary diagnosis code since it is billable and specific.
Q66.221 is in Chapter 17 of the ICD-10-CM Tabular List.
Yes, Q66.221 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.