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ICD-10 Guide
ICD-10 CodesQ78.5

Q78.5

Billable

Metaphyseal dysplasia

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

Code Description

ICD-10 Q78.5 is a billable code used to indicate a diagnosis of metaphyseal dysplasia.

Key Diagnostic Point:

Metaphyseal dysplasia is a rare congenital disorder characterized by abnormal development of the metaphysis, the region of long bones where growth occurs. This condition can lead to a variety of skeletal abnormalities, including short stature, limb deformities, and joint problems. Patients may present with bowing of the legs, scoliosis, or other musculoskeletal deformities. The condition is often diagnosed through radiographic imaging, which reveals characteristic changes in the metaphyseal regions of the bones. Metaphyseal dysplasia can be associated with other congenital malformations and may require multidisciplinary management, including orthopedic intervention and genetic counseling. The etiology of metaphyseal dysplasia can be linked to genetic mutations, and it is essential for healthcare providers to consider the potential for associated chromosomal abnormalities when evaluating affected individuals.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity of the condition
  • Potential for associated congenital malformations
  • Need for comprehensive documentation to support diagnosis
  • Differentiation from other skeletal dysplasias

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Failure to document associated congenital conditions
  • Misclassification of the severity of the condition
  • Lack of genetic testing results in the medical record

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed growth and development assessments, including height and weight measurements, and descriptions of any musculoskeletal deformities.

Common Clinical Scenarios

A pediatric patient presents with limb deformities and is referred for orthopedic evaluation; genetic testing is considered due to family history.

Billing Considerations

Pediatric coders must ensure that all congenital conditions are documented, including any associated syndromes or malformations.

Genetics

Documentation Requirements

Genetic testing results, family history of congenital conditions, and detailed descriptions of any chromosomal abnormalities.

Common Clinical Scenarios

A child with metaphyseal dysplasia undergoes genetic counseling to assess the risk of recurrence in future pregnancies.

Billing Considerations

Genetic coders should be aware of the implications of genetic findings on the management of congenital conditions.

Coding Guidelines

Inclusion Criteria

Use Q78.5 When
  • Follow the official ICD
  • CM coding guidelines for congenital malformations, ensuring that all relevant clinical information is documented to support the diagnosis of metaphyseal dysplasia

Exclusion Criteria

Do NOT use Q78.5 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 patients with metaphyseal dysplasia.

Documentation Requirements

Documentation of clinical findings, treatment plan, and any referrals made.

Specialty Considerations

Pediatricians should ensure that growth parameters are documented.

73030CPT Code

Radiologic examination, shoulder, complete, including both AP and lateral views

Clinical Scenario

Used to assess skeletal abnormalities in patients with suspected dysplasia.

Documentation Requirements

Radiology reports must be included in the medical record.

Specialty Considerations

Orthopedic specialists should correlate imaging findings with clinical presentation.

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

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

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 metaphyseal dysplasia?

Metaphyseal dysplasia is a congenital condition characterized by abnormal bone growth at the metaphysis, leading to skeletal deformities and potential associated congenital malformations.

How is metaphyseal dysplasia diagnosed?

Diagnosis is typically made through clinical evaluation, radiographic imaging, and may be supported by genetic testing to identify underlying genetic mutations.