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ICD-10 Guide
ICD-10 CodesQ66.40

Q66.40

Billable

Congenital talipes calcaneovalgus, unspecified foot

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/11/2025

Code Description

ICD-10 Q66.40 is a billable code used to indicate a diagnosis of congenital talipes calcaneovalgus, unspecified foot.

Key Diagnostic Point:

Congenital talipes calcaneovalgus, commonly referred to as 'flat foot' or 'calcaneovalgus foot', is a deformity characterized by an abnormal position of the foot at birth. The foot is typically positioned with the heel elevated and the forefoot turned outward. This condition is often seen in newborns and can be associated with other congenital malformations, particularly those affecting the musculoskeletal system. The etiology of congenital talipes calcaneovalgus is multifactorial, including genetic predispositions and intrauterine positioning. While many cases resolve spontaneously as the child grows, some may require intervention, such as physical therapy or orthotic devices, to correct the foot position. It is essential for healthcare providers to monitor the condition closely, as associated complications can arise if left untreated. Accurate coding is crucial for tracking the prevalence of this condition and ensuring appropriate management strategies are implemented.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between congenital and acquired conditions
  • Variability in presentation and severity of the condition
  • Potential association with other congenital malformations
  • Need for precise documentation of foot position and treatment

Audit Risk Factors

  • Inadequate documentation of the condition's severity
  • Failure to note associated congenital anomalies
  • Misclassification of congenital versus acquired conditions
  • Lack of follow-up documentation on treatment outcomes

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation must include detailed descriptions of the foot's position, any associated conditions, and treatment plans.

Common Clinical Scenarios

Common scenarios include newborn assessments where talipes calcaneovalgus is identified during routine examinations or referrals for physical therapy.

Billing Considerations

Considerations include the age of the child, the presence of other congenital anomalies, and the need for multidisciplinary care.

Genetics

Documentation Requirements

Genetic documentation should include family history, potential syndromic associations, and any genetic testing results.

Common Clinical Scenarios

Scenarios may involve genetic counseling for families with a history of congenital foot deformities or syndromes associated with talipes calcaneovalgus.

Billing Considerations

Considerations include the potential for chromosomal abnormalities that may present with musculoskeletal anomalies.

Coding Guidelines

Inclusion Criteria

Use Q66.40 When
  • According to ICD
  • 10 coding guidelines, congenital conditions should be coded based on the specific type and severity of the malformation
  • Documentation must support the diagnosis and any associated conditions

Exclusion Criteria

Do NOT use Q66.40 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

97110CPT Code

Therapeutic exercises

Clinical Scenario

Used for physical therapy interventions for children with congenital talipes calcaneovalgus.

Documentation Requirements

Documentation must include the specific exercises performed and the child's response to therapy.

Specialty Considerations

Pediatric physical therapists should document progress and any modifications to the treatment plan.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the accuracy of data collection and management strategies for congenital talipes calcaneovalgus.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the accuracy of data collection and management strategies for congenital talipes calcaneovalgus.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What is the difference between congenital talipes calcaneovalgus and congenital talipes equinovarus?

Congenital talipes calcaneovalgus is characterized by an elevated heel and outward turning of the forefoot, while congenital talipes equinovarus involves a downward and inward position of the foot. Accurate coding requires understanding these distinctions.