Q66.5 Congenital pes planus

The ICD-10-CM code for Congenital pes planus is Q66.5 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Chapter

17: Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Section

Q65-Q79: Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)

Category Q66

44 codes (32 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Q66.5:

• Talipes (congenital) › planus (acquired) (any degree) › congenital
• Flat › foot (acquired) (fixed type) (painful) (postural) › congenital (rigid) (spastic (everted))

Inclusion Terms

• Congenital flat foot
• Congenital rigid flat foot
• Congenital spastic (everted) flat foot

Official Coding Guidelines

POA indicator for congenital conditions/anomalies and Q00-Q99 exception

Congenital conditions and anomalies Assign “Y” for congenital conditions and anomalies except for categories Q00- Q99, Congenital anomalies, which are on the exempt list. Congenital conditions are always considered present on admission.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool

Cite This Page

Reference Q66.5 with the canonical source and edition:

Q66.5 — Congenital pes planus. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Q66.5

Canonical URL: https://icd10codingpro.com/codes/Q66.5