Q66.5
Non-billableCongenital pes planus
Congenital pes planus
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Congenital flat foot
- Congenital rigid flat foot
- Congenital spastic (everted) flat foot
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Child Codes (3)
Related Codes(9)
Q66.0Congenital talipes equinovarus
Q66.1Congenital talipes calcaneovarus
Q66.2Congenital metatarsus (primus) varus
Q66.3Other congenital varus deformities of feet
Q66.4Congenital talipes calcaneovalgus
Q66.6Other congenital valgus deformities of feet
Q66.7Congenital pes cavus
Q66.8Other congenital deformities of feet
Q66.9Congenital deformity of feet, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(11)
UMLS
- Congenital flat feetC0392477
- Congenital flat footC0392477
- Congenital pes planusC0392477
- Congenital pes planus (disorder)C0392477
- Pes planus, congenitalC0392477
- congenital pes planusC0392477
- flat foot congenitalC0392477
- pes planovalgusC0392477
- pes planusC0392477
- Congenital rigid flat footC2910246
- Congenital spastic (everted) flat footC2910247
Frequently Asked Questions
What is the ICD-10 code for congenital pes planus?
The ICD-10-CM code for congenital pes planus is Q66.5. The full clinical description is "Congenital pes planus". Q66.5 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code Q66.5 mean?
ICD-10-CM code Q66.5 represents “Congenital pes planus”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a non-billable header code. Use a more specific child code for billing purposes.
Is Q66.5 a billable code?
No, Q66.5 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under Q66.5.
What chapter is Q66.5 in?
Q66.5 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What codes cannot be used with Q66.5?
Q66.5 has Excludes1 notes indicating codes that cannot be used together with it, including: reduction defects of feet (Q72.-); valgus deformities (acquired) (M21.0-); varus deformities (acquired) (M21.1-); and 1 more.
What are the subcategories under Q66.5?
Q66.5 has 3 child codes, including: Q66.50 (Congenital pes planus, unspecified foot), Q66.51 (Congenital pes planus, right foot), Q66.52 (Congenital pes planus, left foot).
What are the UMLS CUIs for Q66.5?
Q66.5 is linked to 3 UMLS Concept Unique Identifiers: C0392477, C2910246, C2910247. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q66.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like congenital pes planus affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q66.5?
Q66.5 maps to the ICD-11 code: LB98.1 (Congenital pes planus).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.