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ICD-10 Guide
ICD-10 CodesQ66.82

Q66.82

Billable

Congenital vertical talus deformity, left foot

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

Code Description

ICD-10 Q66.82 is a billable code used to indicate a diagnosis of congenital vertical talus deformity, left foot.

Key Diagnostic Point:

Congenital vertical talus deformity, also known as 'rocker-bottom foot,' is a rare foot deformity characterized by a rigid, vertical position of the talus bone in the ankle joint. This condition results in a convex shape of the foot, leading to difficulties in ambulation and potential complications if not treated early. The left foot is specifically affected in this code, indicating unilateral involvement. The deformity is often associated with other congenital anomalies, particularly in syndromic conditions such as trisomy 18 or other chromosomal abnormalities. Diagnosis typically involves clinical examination and imaging studies to assess the degree of deformity and associated structures. Treatment options may include conservative management with orthotics or surgical intervention to correct the deformity and improve function. Early intervention is crucial to prevent long-term disability and to promote normal development in affected children.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between congenital and acquired conditions
  • Identifying associated congenital anomalies
  • Understanding the implications of unilateral vs bilateral involvement
  • Navigating treatment options and their documentation

Audit Risk Factors

  • Inadequate documentation of associated congenital anomalies
  • Failure to specify laterality (left vs right)
  • Misclassification of the condition as acquired
  • Lack of clarity in treatment plans

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed clinical notes documenting the physical examination findings, treatment plans, and follow-up care are essential. Pediatricians should also note any developmental milestones affected by the condition.

Common Clinical Scenarios

A pediatric patient presenting with difficulty walking and a visibly deformed left foot, requiring assessment and potential referral to orthopedic specialists.

Billing Considerations

Pediatric coders must ensure that all relevant congenital conditions are documented to avoid undercoding or misclassification.

Genetics

Documentation Requirements

Genetic testing results, family history of congenital conditions, and any syndromic associations must be documented thoroughly.

Common Clinical Scenarios

A child with congenital vertical talus deformity undergoing genetic counseling due to a family history of chromosomal abnormalities.

Billing Considerations

Genetic coders should be aware of the implications of chromosomal abnormalities that may co-occur with congenital malformations.

Coding Guidelines

Inclusion Criteria

Use Q66.82 When
  • According to ICD
  • CM guidelines, congenital conditions should be coded based on the specific anatomical site and laterality
  • Documentation must support the diagnosis and any associated conditions

Exclusion Criteria

Do NOT use Q66.82 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

28485CPT Code

Correction of talipes equinovarus (clubfoot) by posterior release

Clinical Scenario

Used in conjunction with congenital vertical talus deformity treatment when associated with clubfoot.

Documentation Requirements

Surgical notes detailing the procedure and any associated conditions.

Specialty Considerations

Orthopedic specialists must ensure accurate coding of both the deformity and the surgical intervention.

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 ability to capture the complexity of cases like congenital vertical talus deformity. This specificity aids in better tracking of outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture the complexity of cases like congenital vertical talus deformity. This specificity aids in better tracking of outcomes and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture the complexity of cases like congenital vertical talus deformity. This specificity aids in better tracking of outcomes and resource allocation.

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 significance of coding congenital vertical talus deformity?

Accurate coding of congenital vertical talus deformity is crucial for appropriate treatment planning, tracking outcomes, and ensuring proper reimbursement. It also helps in identifying associated congenital anomalies that may require multidisciplinary care.