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ICD-10 Guide
ICD-10 CodesQ75.042

Q75.042

Billable

Lambdoid craniosynostosis, bilateral

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

Code Description

ICD-10 Q75.042 is a billable code used to indicate a diagnosis of lambdoid craniosynostosis, bilateral.

Key Diagnostic Point:

Lambdoid craniosynostosis is a congenital condition characterized by the premature fusion of the lambdoid suture, which runs along the back of the skull. In bilateral lambdoid craniosynostosis, both sides of the lambdoid suture are fused, leading to an asymmetrical head shape and potential developmental issues. This condition can result in increased intracranial pressure, developmental delays, and facial asymmetry. Diagnosis typically involves physical examination and imaging studies such as CT scans to assess the skull shape and suture fusion. Treatment often requires surgical intervention to correct the skull shape and alleviate any pressure on the brain. Early diagnosis and management are crucial for optimal outcomes, as they can significantly impact the child's cognitive and physical development. The condition may also be associated with other congenital malformations, necessitating a comprehensive evaluation of the child’s overall health.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and associated conditions
  • Need for precise documentation of cranial measurements
  • Potential for co-occurring congenital anomalies
  • Variations in surgical interventions and their coding

Audit Risk Factors

  • Inadequate documentation of the cranial shape and measurements
  • Failure to document associated congenital anomalies
  • Incorrect coding of surgical procedures performed
  • Lack of clarity on the timing of diagnosis and intervention

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation must include detailed growth metrics, developmental assessments, and any associated congenital conditions.

Common Clinical Scenarios

Common scenarios include referrals for developmental delays, assessments for surgical intervention, and follow-up visits post-surgery.

Billing Considerations

Considerations include the child's age, growth patterns, and any neurodevelopmental assessments that may impact treatment decisions.

Genetics

Documentation Requirements

Genetic documentation should include family history, genetic testing results, and any syndromic associations with craniosynostosis.

Common Clinical Scenarios

Scenarios may involve genetic counseling for families, evaluation for syndromic craniosynostosis, and discussions regarding recurrence risks.

Billing Considerations

Genetic considerations include the potential for chromosomal abnormalities and the need for comprehensive genetic evaluation.

Coding Guidelines

Inclusion Criteria

Use Q75.042 When
  • Official coding guidelines for congenital conditions emphasize the importance of accurate documentation of the condition's specifics, associated anomalies, and the timing of interventions
  • Coders should ensure that all relevant clinical information is captured to support the diagnosis and any procedures performed

Exclusion Criteria

Do NOT use Q75.042 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

61595CPT Code

Cranial vault remodeling

Clinical Scenario

Used in surgical correction of lambdoid craniosynostosis.

Documentation Requirements

Documentation must include pre-operative assessments, surgical notes, and post-operative follow-up.

Specialty Considerations

Pediatric surgeons must ensure accurate coding of the procedure based on the specific surgical approach.

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, including lambdoid craniosynostosis. This specificity aids in better tracking of outcomes and resource allocation in pediatric care.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, including lambdoid craniosynostosis. This specificity aids in better tracking of outcomes and resource allocation in pediatric care.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital conditions, including lambdoid craniosynostosis. This specificity aids in better tracking of outcomes and resource allocation in pediatric care.

Resources

Clinical References

  • •
    American Academy of Pediatrics - Craniosynostosis

Coding & Billing References

  • •
    American Academy of Pediatrics - Craniosynostosis

Frequently Asked Questions

What is the significance of coding bilateral lambdoid craniosynostosis?

Coding bilateral lambdoid craniosynostosis accurately is crucial for understanding the complexity of the condition, its treatment, and potential associated anomalies. It ensures appropriate management and resource allocation for affected children.