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ICD-10 Guide
ICD-10 CodesChapter 17: Congenital malformations and chromosomal abnormalitiesQ77

Q77

Billable

Osteochondrodysplasia with defects of growth of tubular bones and spine

Chapter 17:Congenital malformations and chromosomal abnormalities

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

Code Description

ICD-10 Q77 is a billable code used to indicate a diagnosis of osteochondrodysplasia with defects of growth of tubular bones and spine.

Key Diagnostic Point:

Osteochondrodysplasia encompasses a group of congenital disorders characterized by abnormal growth and development of cartilage and bone, particularly affecting the tubular bones and spine. This condition can lead to a variety of skeletal deformities, including disproportionate short stature, scoliosis, and limb deformities. Common manifestations include clubfoot, hip dysplasia, and limb reduction defects, which can significantly impact mobility and overall quality of life. The severity of these defects can vary widely among affected individuals, and they may present with associated complications such as respiratory issues due to thoracic deformities. Diagnosis typically involves clinical evaluation, imaging studies, and genetic testing to identify specific mutations or chromosomal abnormalities. Management often requires a multidisciplinary approach, including orthopedic interventions, physical therapy, and genetic counseling.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of symptoms
  • Need for comprehensive documentation of associated conditions
  • Potential for overlapping diagnoses with other skeletal dysplasias
  • Requirement for genetic testing results to support diagnosis

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to include genetic testing results
  • Misuse of related codes leading to upcoding or downcoding
  • Lack of specificity in describing associated conditions

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include growth charts, developmental milestones, and detailed descriptions of physical examinations.

Common Clinical Scenarios

Common scenarios include referrals for orthopedic evaluation of limb deformities or scoliosis in infants and children.

Billing Considerations

Coders should ensure that all congenital conditions are documented, including any associated syndromes or comorbidities.

Genetics

Documentation Requirements

Genetic documentation must include family history, results of genetic testing, and any syndromic associations.

Common Clinical Scenarios

Genetic counseling sessions for families with a history of osteochondrodysplasia or related conditions.

Billing Considerations

Accurate coding requires understanding of genetic terminology and the implications of specific genetic mutations.

Coding Guidelines

Inclusion Criteria

Use Q77 When
  • Coders should adhere to the official ICD
  • CM coding guidelines, ensuring that all congenital conditions are coded to the highest level of specificity
  • Documentation must support the diagnosis, including any associated conditions or complications

Exclusion Criteria

Do NOT use Q77 When
No specific exclusions found.

Related CPT Codes

27500CPT Code

Injection, therapeutic, into a major joint or bursa

Clinical Scenario

Used for managing joint pain in patients with osteochondrodysplasia.

Documentation Requirements

Document the joint involved and the reason for the injection.

Specialty Considerations

Orthopedic specialists should provide detailed notes on the patient's condition and 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 reimbursement processes. Q77 provides a clear classification for osteochondrodysplasia, facilitating better management and research opportunities.

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 reimbursement processes. Q77 provides a clear classification for osteochondrodysplasia, facilitating better management and research opportunities.

Reimbursement & Billing Impact

reimbursement processes. Q77 provides a clear classification for osteochondrodysplasia, facilitating better management and research opportunities.

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 are the common associated conditions with osteochondrodysplasia?

Common associated conditions include scoliosis, clubfoot, hip dysplasia, and limb reduction defects. Each of these conditions may require specific management and coding considerations.