Q66.5 – Congenital pes planus
ICD-10-CM 2027 diagnosis code · Congenital malformations and deformations of the musculoskeletal system
- Code
Q66.5(claims format:Q665)- Description
- Congenital pes planus
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
- Parent codes
- Q66
Billable codes under Q66.5
Q66.5 is a header code and cannot be used on claims. Choose the most specific code:
Notes for Q66.5
- Congenital flat foot
- Congenital rigid flat foot
- Congenital spastic (everted) flat foot
- pes planus, acquired (M21.4)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q66 – Congenital deformities of feet
Index terms for Q66.5
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in Q66
- Q66.0 – Congenital talipes equinovarusHeader
- Q66.1 – Congenital talipes calcaneovarusHeader
- Q66.2 – Congenital metatarsus (primus) varusHeader
- Q66.3 – Other congenital varus deformities of feetHeader
- Q66.4 – Congenital talipes calcaneovalgusHeader
- Q66.6 – Other congenital valgus deformities of feetBillable
- Q66.7 – Congenital pes cavusHeader
- Q66.8 – Other congenital deformities of feetHeader
- Q66.9 – Congenital deformity of feet, unspecifiedHeader
Frequently asked questions
What is ICD-10 code Q66.5?
Q66.5 is the ICD-10-CM code for congenital pes planus, in the block Q65-Q79 (Congenital malformations and deformations of the musculoskeletal system).
Is Q66.5 a billable code?
No. Q66.5 is a header code with more specific child codes; report one of the billable codes listed above.
What category does Q66.5 belong to?
It belongs to category Q66 – Congenital deformities of feet.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.