2017/18 ICD-10-CM Diagnosis Code Q66

Congenital deformities of feet

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as Q66. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • reduction defects of feet (
    ICD-10-CM Diagnosis Code Q72
    • Q72 Reduction defects of lower limb
      • Q72.0 Congenital complete absence of lower limb
        • Q72.00 Congenital complete absence of unspecified lo...
        • Q72.01 Congenital complete absence of right lower li...
        • Q72.02 Congenital complete absence of left lower lim...
        • Q72.03 Congenital complete absence of lower limb, bi...
      • Q72.1 Congenital absence of thigh and lower leg wit...
        • Q72.10 Congenital absence of unspecified thigh and l...
        • Q72.11 Congenital absence of right thigh and lower l...
        • Q72.12 Congenital absence of left thigh and lower le...
        • Q72.13 Congenital absence of thigh and lower leg wit...
      • Q72.2 Congenital absence of both lower leg and foot...
        • Q72.20 Congenital absence of both lower leg and foot...
        • Q72.21 Congenital absence of both lower leg and foot...
        • Q72.22 Congenital absence of both lower leg and foot...
        • Q72.23 Congenital absence of both lower leg and foot...
      • Q72.3 Congenital absence of foot and toe(s)
        • Q72.30 Congenital absence of unspecified foot and to...
        • Q72.31 Congenital absence of right foot and toe(s)
        • Q72.32 Congenital absence of left foot and toe(s)
        • Q72.33 Congenital absence of foot and toe(s), bilate...
      • Q72.4 Longitudinal reduction defect of femur
        • Q72.40 Longitudinal reduction defect of unspecified ...
        • Q72.41 Longitudinal reduction defect of right femur
        • Q72.42 Longitudinal reduction defect of left femur
        • Q72.43 Longitudinal reduction defect of femur, bilat...
      • Q72.5 Longitudinal reduction defect of tibia
        • Q72.50 Longitudinal reduction defect of unspecified ...
        • Q72.51 Longitudinal reduction defect of right tibia
        • Q72.52 Longitudinal reduction defect of left tibia
        • Q72.53 Longitudinal reduction defect of tibia, bilat...
      • Q72.6 Longitudinal reduction defect of fibula
        • Q72.60 Longitudinal reduction defect of unspecified ...
        • Q72.61 Longitudinal reduction defect of right fibula...
        • Q72.62 Longitudinal reduction defect of left fibula
        • Q72.63 Longitudinal reduction defect of fibula, bila...
      • Q72.7 Split foot
        • Q72.70 …… unspecified lower limb
        • Q72.71 …… right lower limb
        • Q72.72 …… left lower limb
        • Q72.73 …… bilateral
      • Q72.8 Other reduction defects of lower limb
        • Q72.81 Congenital shortening of lower limb
          • Q72.811 Congenital shortening of right lower limb
          • Q72.812 Congenital shortening of left lower limb
          • Q72.813 Congenital shortening of lower limb, bilatera...
          • Q72.819 Congenital shortening of unspecified lower li...
        • Q72.89 Other reduction defects of lower limb
          • Q72.891 Other reduction defects of right lower limb
          • Q72.892 Other reduction defects of left lower limb
          • Q72.893 Other reduction defects of lower limb, bilate...
          • Q72.899 Other reduction defects of unspecified lower ...
      • Q72.9 Unspecified reduction defect of lower limb
        • Q72.90 Unspecified reduction defect of unspecified l...
        • Q72.91 Unspecified reduction defect of right lower l...
        • Q72.92 Unspecified reduction defect of left lower li...
        • Q72.93 Unspecified reduction defect of lower limb, b...
    Q72.-
    )
  • valgus deformities (acquired) (
    ICD-10-CM Diagnosis Code M21.0

    Valgus deformity, not elsewhere classified

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • metatarsus valgus (Q66.6)
    • talipes calcaneovalgus (Q66.4)
    M21.0-
    )
  • varus deformities (acquired) (
    ICD-10-CM Diagnosis Code M21.1

    Varus deformity, not elsewhere classified

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    M21.1-
    )
The following code(s) above Q66 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q66:
  • Q00-Q99
    2018 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal or fetal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
Clinical Information Code History
Code annotations containing back-references to Q66:
ICD-10-CM Codes Adjacent To Q66
Q65.31 Congenital partial dislocation of right hip, unilateral
Q65.32 Congenital partial dislocation of left hip, unilateral
Q65.4 Congenital partial dislocation of hip, bilateral
Q65.5 Congenital partial dislocation of hip, unspecified
Q65.6 Congenital unstable hip
Q65.8 Other congenital deformities of hip
Q65.81 Congenital coxa valga
Q65.82 Congenital coxa vara
Q65.89 Other specified congenital deformities of hip
Q65.9 Congenital deformity of hip, unspecified
Q66 Congenital deformities of feet
Q66.0 Congenital talipes equinovarus
Q66.1 Congenital talipes calcaneovarus
Q66.2 Congenital metatarsus (primus) varus
Q66.21 Congenital metatarsus primus varus
Q66.22 Congenital metatarsus adductus
Q66.3 Other congenital varus deformities of feet
Q66.4 Congenital talipes calcaneovalgus
Q66.5 Congenital pes planus
Q66.50 …… unspecified foot
Q66.51 …… right foot

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.