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ICD-10 Guide
ICD-10 CodesQ77.7

Q77.7

Billable

Spondyloepiphyseal dysplasia

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

Code Description

ICD-10 Q77.7 is a billable code used to indicate a diagnosis of spondyloepiphyseal dysplasia.

Key Diagnostic Point:

Spondyloepiphyseal dysplasia (SED) is a group of skeletal disorders characterized by abnormal development of the spine and the epiphyses of long bones. This condition leads to short stature, skeletal deformities, and joint problems. Patients with SED often present with a range of musculoskeletal issues, including scoliosis, hip dysplasia, and limb reduction defects. The condition is typically inherited in an autosomal dominant pattern, although some forms may arise from spontaneous mutations. Clinical manifestations can vary widely, but common features include a disproportionately short trunk, a long neck, and a barrel-shaped chest. Diagnosis is often confirmed through imaging studies, such as X-rays, which reveal characteristic changes in the vertebrae and epiphyses. Early intervention is crucial to manage complications and improve quality of life, making accurate coding essential for appropriate treatment planning and resource allocation.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and severity among patients
  • Need for comprehensive documentation of associated musculoskeletal conditions
  • Potential for misclassification with other skeletal dysplasias
  • Requirement for genetic testing results to confirm diagnosis

Audit Risk Factors

  • Inadequate documentation of associated conditions like scoliosis or hip dysplasia
  • Failure to include genetic testing results in the medical record
  • Misuse of related codes leading to incorrect billing
  • Lack of clarity in family history documentation

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include growth measurements, developmental milestones, and detailed descriptions of musculoskeletal abnormalities.

Common Clinical Scenarios

Common scenarios include referrals for orthopedic evaluation due to short stature or scoliosis in children with known SED.

Billing Considerations

Coders should ensure that all associated conditions are documented to support the complexity of care provided.

Genetics

Documentation Requirements

Genetic documentation must include results from genetic testing, family history, and any counseling provided to the family.

Common Clinical Scenarios

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

Billing Considerations

Accurate coding requires understanding the genetic basis of the condition and its inheritance patterns.

Coding Guidelines

Inclusion Criteria

Use Q77.7 When
  • Follow the official ICD
  • CM guidelines for coding congenital malformations, ensuring that all relevant conditions are documented and coded appropriately
  • Use additional codes to capture associated conditions and complications

Exclusion Criteria

Do NOT use Q77.7 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit

Clinical Scenario

Used for routine follow-up visits for children with SED.

Documentation Requirements

Document growth measurements, developmental assessments, and any new concerns.

Specialty Considerations

Pediatricians should ensure comprehensive evaluations are documented.

27500CPT Code

Injection of joint or bursa

Clinical Scenario

Used for managing joint pain in patients with SED.

Documentation Requirements

Document the specific joint treated and the rationale for injection.

Specialty Considerations

Orthopedic specialists should provide detailed notes on joint function.

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 like SED, improving the accuracy of data collection and reimbursement processes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions like SED, improving the accuracy of data collection and reimbursement processes.

Reimbursement & Billing Impact

reimbursement processes.

Resources

Clinical References

  • •
    American Academy of Pediatrics
  • •
    Genetics Home Reference

Coding & Billing References

  • •
    American Academy of Pediatrics
  • •
    Genetics Home Reference

Frequently Asked Questions

What is the primary characteristic of spondyloepiphyseal dysplasia?

The primary characteristic of spondyloepiphyseal dysplasia is the abnormal development of the spine and epiphyses, leading to short stature and skeletal deformities.

How is spondyloepiphyseal dysplasia diagnosed?

Diagnosis is typically made through clinical evaluation, imaging studies, and genetic testing to confirm the specific type of dysplasia.