Q66.50 ICD-10-CM Code: Congenital pes planus, unspecified foot
Q66.50 is the billable ICD-10-CM code for “Congenital pes planus, unspecified foot” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
Q66.50Congenital pes planus, unspecified foot
ICD-10-CM diagnosis code · United States clinical modification
More specific than Q66.50
View subcategoryQ66.50 is an unspecified code, for when the note doesn’t say more. If it documents the type, cause, or site, one of these codes may fit better.
Where Q66.50 sits
- 1
Chapter 17
Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- 2
Section
Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)
- 3
Category Q66
Congenital deformities of feet
- 4
Subcategory Q66.5
Congenital pes planus
- 5
Code Q66.50
Congenital pes planus, unspecified foot
Notes for this code
Inclusion terms
No inclusion terms are listed for Q66.50.
Code first
No “code first” instruction is listed for Q66.50.
Use additional code
No “use additional code” instruction is listed for Q66.50.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for Q66.50.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for Q66.50.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code Q66.50 mean?
Q66.50 is the FY 2027 U.S. ICD-10-CM code for “Congenital pes planus, unspecified foot.”
Is Q66.50 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, Q66.50 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is Q66.50 located in ICD-10-CM?
Q66.50 is listed in Chapter 17, Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1), within Congenital malformations and deformations of the musculoskeletal system (Q65-Q79) (Q65–Q79), under category Q66, Congenital deformities of feet and subcategory Q66.5, Congenital pes planus.
What coding notes are listed for Q66.50?
No inclusion terms are listed for Q66.50 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.