Q66.5
Non-billableCongenital pes planus
Q66.5 is the ICD-10-CM code for Congenital pes planus. It is a non-billable category code — use a more specific child code such as Q66.50 for billing.
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
Includes
- •Congenital flat foot
- •Congenital rigid flat foot
- •Congenital spastic (everted) flat foot
Excludes1 — not coded here
- •pes planus, acquired (M21.4)
Frequently asked questions
- What is ICD-10 code Q66.5?
- Q66.5 is the ICD-10-CM code for "Congenital pes planus". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
- Is Q66.5 a billable code?
- No — Q66.5 is a non-billable header code. Use a more specific child code (such as Q66.50) for billing.
- What are the subcodes of Q66.5?
- Q66.5 has 3 more specific child codes, including Q66.50, Q66.51, Q66.52.
- What is excluded from Q66.5?
- Excludes1 (not coded here): pes planus, acquired (M21.4).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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