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v1.0.0
ICD-10 Guide
ICD-10 CodesQ35.9

Q35.9

Billable

Cleft palate, unspecified

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

Code Description

ICD-10 Q35.9 is a billable code used to indicate a diagnosis of cleft palate, unspecified.

Key Diagnostic Point:

Cleft palate is a congenital malformation characterized by an opening in the roof of the mouth that occurs when the tissue that forms the palate does not fully come together during fetal development. This condition can vary in severity and may occur in isolation or in conjunction with other congenital anomalies. Cleft palate can lead to difficulties in feeding, speech, and ear infections due to the abnormal connection between the oral and nasal cavities. It is essential to assess the presence of associated conditions, such as cleft lip or other craniofacial anomalies. Management typically involves a multidisciplinary approach, including surgical intervention, speech therapy, and orthodontic care. The timing of surgical repair is crucial and is usually performed within the first year of life to facilitate normal development and function. The presence of cleft palate may also be associated with genetic syndromes, necessitating genetic evaluation and counseling.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in associated congenital conditions
  • Need for multidisciplinary documentation
  • Potential for genetic syndromic associations
  • Variations in surgical intervention timing

Audit Risk Factors

  • Inadequate documentation of associated conditions
  • Failure to capture genetic evaluations
  • Misclassification of cleft type
  • Lack of detail in surgical intervention records

Specialty Focus

Medical Specialties

Pediatrics

Documentation Requirements

Pediatric documentation should include detailed assessments of feeding difficulties, growth parameters, and developmental milestones. Documentation of multidisciplinary team involvement is crucial.

Common Clinical Scenarios

Common scenarios include newborns presenting with feeding difficulties, referrals for speech therapy, and follow-up visits post-surgery.

Billing Considerations

Coders must ensure that all associated conditions are documented and coded appropriately to reflect the full clinical picture.

Genetics

Documentation Requirements

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

Common Clinical Scenarios

Scenarios may involve genetic counseling for families with a history of cleft palate or related syndromes.

Billing Considerations

Coders should be aware of the implications of genetic syndromes that may accompany cleft palate and ensure accurate coding of these conditions.

Coding Guidelines

Inclusion Criteria

Use Q35.9 When
  • According to ICD
  • 10 coding guidelines, congenital conditions should be coded based on the specific malformation and any associated conditions
  • Documentation must support the diagnosis and any interventions performed

Exclusion Criteria

Do NOT use Q35.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

40700CPT Code

Palatoplasty

Clinical Scenario

Used for surgical repair of cleft palate.

Documentation Requirements

Operative report detailing the procedure and any complications.

Specialty Considerations

Pediatric surgeons should document the rationale for surgical timing and any preoperative assessments.

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 cleft palate and associated anomalies.

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 cleft palate and associated anomalies.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    American Cleft Palate-Craniofacial Association

Coding & Billing References

  • •
    American Cleft Palate-Craniofacial Association

Frequently Asked Questions

What is the difference between cleft lip and cleft palate?

Cleft lip refers to a split in the upper lip, while cleft palate involves an opening in the roof of the mouth. Both can occur together or separately, and each requires specific management and coding.