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v1.0.0
ICD-10 Guide
ICD-10 CodesQ77.9

Q77.9

Billable

Osteochondrodysplasia with defects of growth of tubular bones and spine, unspecified

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

Code Description

ICD-10 Q77.9 is a billable code used to indicate a diagnosis of osteochondrodysplasia with defects of growth of tubular bones and spine, unspecified.

Key Diagnostic Point:

Osteochondrodysplasia refers to a group of disorders characterized by abnormal growth and development of bone and cartilage, particularly affecting the tubular bones and spine. This condition can lead to a variety of skeletal deformities, including disproportionate short stature, scoliosis, and limb abnormalities. The unspecified nature of this code indicates that the specific type of osteochondrodysplasia has not been determined, which can complicate diagnosis and treatment. Common manifestations may include clubfoot, hip dysplasia, and limb reduction defects, which are often identified at birth or during early childhood. These conditions can significantly impact mobility and overall quality of life, necessitating a multidisciplinary approach to management that may include orthopedic interventions, physical therapy, and genetic counseling. Accurate coding is essential for appropriate treatment planning and resource allocation in pediatric care.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of conditions
  • Need for comprehensive documentation to specify type of osteochondrodysplasia
  • Potential overlap with other congenital malformations
  • Requirement for genetic testing results to confirm diagnosis

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to specify associated conditions or syndromes
  • Lack of genetic testing results in the medical record
  • Misclassification of the type of osteochondrodysplasia

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed growth and development assessments, including physical examinations and imaging studies.

Common Clinical Scenarios

Evaluation of a newborn with limb deformities, follow-up for scoliosis in a child with osteochondrodysplasia.

Billing Considerations

Consideration of growth patterns and developmental milestones in pediatric patients.

Genetics

Documentation Requirements

Genetic testing results, family history, and detailed phenotypic descriptions.

Common Clinical Scenarios

Genetic counseling for families with a history of osteochondrodysplasia, interpretation of genetic tests.

Billing Considerations

Understanding the genetic basis of the condition and implications for family planning.

Coding Guidelines

Inclusion Criteria

Use Q77.9 When
  • Follow the official ICD
  • CM guidelines for coding congenital malformations, ensuring that all relevant clinical information is documented
  • Use additional codes to specify associated conditions or complications

Exclusion Criteria

Do NOT use Q77.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits in pediatric patients with osteochondrodysplasia.

Documentation Requirements

Document history of present illness, examination findings, and treatment plan.

Specialty Considerations

Pediatric specialists should ensure comprehensive assessments are included.

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 diagnoses and facilitating better patient management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the accuracy of diagnoses and facilitating better patient management.

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 documentation is needed to support the use of code Q77.9?

Comprehensive documentation should include clinical findings, imaging studies, genetic testing results, and any associated conditions. Clear descriptions of the patient's growth and development are also essential.