2019 ICD-10-CM Diagnosis Code Q66.89

Other specified congenital deformities of feet

    2016 2017 2018 2019 - Revised Code Billable/Specific Code POA Exempt
  • Q66.89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM Q66.89 is a revised 2019 ICD-10-CM code that became effective on October 1, 2018.
  • This is the American ICD-10-CM version of Q66.89 - other international versions of ICD-10 Q66.89 may differ.
Applicable To
  • Congenital asymmetric talipes
  • Congenital clubfoot NOS
  • Congenital talipes NOS
  • Congenital tarsal coalition
  • Hammer toe, congenital
The following code(s) above Q66.89 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 Q66.89:
  • Q00-Q99
    2019 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
  • Q66
    ICD-10-CM Diagnosis Code Q66

    Congenital deformities of feet

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • reduction defects of feet (Q72.-)
    • valgus deformities (acquired) (M21.0-)
    • varus deformities (acquired) (M21.1-)
    Congenital deformities of feet
Approximate Synonyms
  • Bilateral talipes
  • Bilateral tarsal coalition
  • Bilateral tarsal coalitions
  • Brachymetatarsia
  • Congenital bilateral claw toe
  • Congenital bilateral hammer toes
  • Congenital bilateral short achilles tendons
  • Congenital claw toes of bilateral feet
  • Congenital contracture of bilateral toes
  • Congenital contracture of left toe
  • Congenital contracture of right toe
  • Congenital hammer toe of left foot
  • Congenital hammer toe of right foot
  • Congenital left hammer toe
  • Congenital left short achilles tendon
  • Congenital overriding toes of bilateral feet
  • Congenital overriding toes of left foot
  • Congenital overriding toes of right foot
  • Congenital right hammer toe
  • Congenital right short achilles tendon
  • Congenital short bilateral achilles tendon
  • Congenital short left achilles tendon
  • Congenital short right achilles tendon
  • Left talipes
  • Left tarsal coalition
  • Right talipes
  • Right tarsal coalition
  • Talipes of left foot
  • Talipes of right foot
  • Tarsal coalition of left foot
  • Tarsal coalition of right foot
Clinical Information
  • A deformed foot in which the foot is plantarflexed, inverted and adducted.
  • A deformity of the foot which occurs at birth in which one or both feet are twisted
  • The most common congenital deformation of the foot, occurring in 1 of 1,000 live births. The most common form is talipes equinovarus, where the deformed foot is turned downward and inward sharply.
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q66.89 is considered exempt from POA reporting.
ICD-10-CM Q66.89 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 564 Other musculoskeletal system and connective tissue diagnoses with mcc
  • 565 Other musculoskeletal system and connective tissue diagnoses with cc
  • 566 Other musculoskeletal system and connective tissue diagnoses without cc/mcc

Convert Q66.89 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): Revised code
    • New description: Other specified congenital deformities of feet
    • 2018 description: Other specified congenital deformities of feet
Code annotations containing back-references to Q66.89:
  • Type 1 Excludes: M21.5
    ICD-10-CM Diagnosis Code M21.5

    Acquired clawhand, clubhand, clawfoot and clubfoot

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • clubfoot, not specified as acquired (Q66.89)

Diagnosis Index entries containing back-references to Q66.89:
  • Clawfoot (congenital) Q66.89
  • Clawtoe (congenital) Q66.89
  • Clubfoot (congenital) Q66.89
  • Coalition
    • calcaneo-scaphoid Q66.89
    • tarsal Q66.89
  • Contraction(s)
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • foot (acquired) - see also Deformity, limb, lower leg
      • congenital NOS Q66.9
        ICD-10-CM Diagnosis Code Q66.9

        Congenital deformity of feet, unspecified

          2016 2017 2018 2019 Billable/Specific Code POA Exempt
        • specified type NEC Q66.89
  • Hammer toe (acquired) - see also Deformity, toe, hammer toe
    • congenital Q66.89
  • Overlapping toe (acquired) - see also Deformity, toe, specified NEC
    • congenital Q66.89 (fifth toe)
  • Overriding
    • toe (acquired) - see also Deformity, toe, specified NEC
      • congenital Q66.89
  • Pes (congenital) - see also Talipes
    • adductus Q66.89
  • Short, shortening, shortness
    • tendon - see also Contraction, tendon
      • Achilles (acquired) M67.0-
        ICD-10-CM Diagnosis Code M67.0-

        Short Achilles tendon (acquired)

          2016 2017 2018 2019 Non-Billable/Non-Specific Code
        • congenital Q66.89
  • Talipes (congenital) Q66.89
    • asymmetric Q66.89
    • calcaneus Q66.89
    • equinus Q66.89

ICD-10-CM Codes Adjacent To Q66.89
Q66.5 Congenital pes planus
Q66.50 …… unspecified foot
Q66.51 …… right foot
Q66.52 …… left foot
Q66.6 Other congenital valgus deformities of feet
Q66.7 Congenital pes cavus
Q66.8 Other congenital deformities of feet
Q66.80 Congenital vertical talus deformity, unspecified foot
Q66.81 Congenital vertical talus deformity, right foot
Q66.82 Congenital vertical talus deformity, left foot
Q66.89 Other specified congenital deformities of feet
Q66.9 Congenital deformity of feet, unspecified
Q67 Congenital musculoskeletal deformities of head, face, spine and chest
Q67.0 Congenital facial asymmetry
Q67.1 Congenital compression facies
Q67.2 Dolichocephaly
Q67.3 Plagiocephaly
Q67.4 Other congenital deformities of skull, face and jaw
Q67.5 Congenital deformity of spine
Q67.6 Pectus excavatum
Q67.7 Pectus carinatum

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