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v1.0.0
ICD-10 Guide
ICD-10 CodesQ31.2

Q31.2

Billable

Laryngeal hypoplasia

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

Code Description

ICD-10 Q31.2 is a billable code used to indicate a diagnosis of laryngeal hypoplasia.

Key Diagnostic Point:

Laryngeal hypoplasia is a congenital condition characterized by underdevelopment of the larynx, which can lead to significant respiratory distress and airway obstruction in affected infants. This condition may present with stridor, difficulty breathing, and feeding challenges due to compromised airway function. The severity of laryngeal hypoplasia can vary widely, with some infants experiencing mild symptoms while others may require immediate medical intervention, including intubation or tracheostomy. Associated congenital malformations may include choanal atresia, tracheoesophageal fistula, and lung hypoplasia, which can complicate the clinical picture and necessitate a multidisciplinary approach to management. Diagnosis is typically made through clinical evaluation and imaging studies, such as laryngoscopy, which allows for direct visualization of the larynx. Early recognition and intervention are crucial to improve outcomes and reduce morbidity associated with this condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of symptoms
  • Potential for associated congenital anomalies
  • Need for multidisciplinary management and documentation
  • Differentiation from other respiratory conditions

Audit Risk Factors

  • Inadequate documentation of associated congenital anomalies
  • Failure to specify the severity of laryngeal hypoplasia
  • Misclassification with other respiratory conditions
  • Lack of clarity in the treatment plan and interventions

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed clinical notes on respiratory status, feeding difficulties, and interventions performed.

Common Clinical Scenarios

Infants presenting with stridor and respiratory distress requiring evaluation in the NICU.

Billing Considerations

Consideration of associated congenital anomalies and their impact on management.

Genetics

Documentation Requirements

Genetic testing results, family history of congenital conditions, and any syndromic associations.

Common Clinical Scenarios

Cases where laryngeal hypoplasia is part of a genetic syndrome requiring genetic counseling.

Billing Considerations

Documentation of chromosomal abnormalities that may be associated with laryngeal hypoplasia.

Coding Guidelines

Inclusion Criteria

Use Q31.2 When
  • Follow ICD
  • CM guidelines for coding congenital malformations, ensuring accurate documentation of associated conditions and clinical findings

Exclusion Criteria

Do NOT use Q31.2 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

31500CPT Code

Intubation, endotracheal, emergency

Clinical Scenario

Used in acute respiratory distress due to laryngeal hypoplasia.

Documentation Requirements

Document the indication for intubation and any associated findings.

Specialty Considerations

Pediatric anesthesiology may be involved in airway management.

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 ability to capture the complexity of cases like laryngeal hypoplasia.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture the complexity of cases like laryngeal hypoplasia.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture the complexity of cases like laryngeal hypoplasia.

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 laryngeal hypoplasia?

Common associated conditions include choanal atresia, tracheoesophageal fistula, and lung hypoplasia, which can complicate the clinical management of affected infants.