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v1.0.0
ICD-10 Guide
ICD-10 CodesQ36.1

Q36.1

Billable

Cleft lip, median

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

Code Description

ICD-10 Q36.1 is a billable code used to indicate a diagnosis of cleft lip, median.

Key Diagnostic Point:

Cleft lip, median, is a congenital malformation characterized by a fissure or opening in the upper lip that occurs in the midline. This condition arises during embryonic development when the left and right sides of the lip fail to fuse properly. Median cleft lip can occur in isolation or as part of a syndrome, such as holoprosencephaly, where there is incomplete separation of the cerebral hemispheres. The severity of the cleft can vary, affecting not only the cosmetic appearance but also the function of the lip, which may impact feeding and speech development in infants. Associated anomalies may include dental issues, nasal deformities, and in some cases, other congenital malformations such as choanal atresia or tracheoesophageal fistula. Early diagnosis and intervention are crucial for optimal outcomes, often involving a multidisciplinary team including pediatricians, surgeons, and speech therapists. Surgical repair is typically performed within the first year of life, and ongoing care may be necessary to address functional and aesthetic concerns.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in presentation and severity of cleft lip
  • Potential association with other congenital anomalies
  • Need for multidisciplinary documentation
  • Variations in surgical repair techniques

Audit Risk Factors

  • Inadequate documentation of associated congenital anomalies
  • Failure to capture the severity of the cleft
  • Misclassification of the cleft type
  • Lack of follow-up documentation post-surgery

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Detailed records of feeding difficulties, growth parameters, and developmental milestones are essential. Documentation should include any associated respiratory or feeding issues.

Common Clinical Scenarios

Infants presenting with feeding difficulties due to cleft lip, referrals for surgical evaluation, and follow-up visits post-repair.

Billing Considerations

Coders should be aware of the need for ongoing assessments and potential additional procedures related to speech therapy and dental care.

Genetics

Documentation Requirements

Genetic counseling notes should document family history, potential syndromic associations, and any genetic testing results.

Common Clinical Scenarios

Cases where cleft lip is part of a genetic syndrome, such as Van der Woude syndrome, requiring genetic evaluation.

Billing Considerations

Consideration of chromosomal abnormalities and syndromic associations is crucial for accurate coding and management.

Coding Guidelines

Inclusion Criteria

Use Q36.1 When
  • Follow the official ICD
  • CM guidelines for coding congenital malformations, ensuring accurate documentation of associated conditions and the specific type of cleft lip

Exclusion Criteria

Do NOT use Q36.1 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

40650CPT Code

Repair of cleft lip

Clinical Scenario

Used during surgical intervention for cleft lip repair.

Documentation Requirements

Operative report detailing the procedure and any complications.

Specialty Considerations

Pediatric surgeons should document the specifics of the repair technique used.

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 associated anomalies and the complexity of care required.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture associated anomalies and the complexity of care required.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of congenital conditions, improving the ability to capture associated anomalies and the complexity of care required.

Resources

Clinical References

  • •
    American Academy of Pediatrics - Cleft Lip and Palate

Coding & Billing References

  • •
    American Academy of Pediatrics - Cleft Lip and Palate

Frequently Asked Questions

What is the difference between cleft lip and cleft palate?

Cleft lip refers to a physical split or opening in the upper lip, while cleft palate refers to an opening in the roof of the mouth. Both conditions can occur together or separately and require different management strategies.