MCMedicalCodingSoftware
Free trial
Q66.81

Q66.81: Congenital vertical talus deformity, right foot

Billable / specific codeICD-10-CMPOA exemptright

Q66.81 is a billable, specific ICD-10-CM code for congenital vertical talus deformity, right foot. It is valid for submission on a claim.

Check Q66.81 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above Q66.81

A category’s note binds every code beneath it.

Written on Q66: Congenital deformities of feet

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

Other codes that can never be billed with Q66.81

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • M20Acquired deformities of fingers and toes

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Vertical talus›right foot
  • Deformity›vertical talus›right foot

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under Q66.8

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.