Cleft lip and cleft palate
19 codes in this section
About Section Q35-Q37
Section Q35-Q37 (Q35-Q37) covers cleft lip and cleft palate. It sits within the Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders chapter (Q00-QA0). This section contains 19 ICD-10-CM codes, 16 billable diagnoses you can submit on a claim, and 3 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in Q35-Q37
Grouped by 3-character root code. Click any code for full detail.
| Q35.1 | Cleft hard palate | Billable |
| Q35.3 | Cleft soft palate | Billable |
| Q35.5 | Cleft hard palate with cleft soft palate | Billable |
| Q35.7 | Cleft uvula | Billable |
| Q35.9 | Cleft palate, unspecified | Billable |
| Q36.0 | Cleft lip, bilateral | Billable |
| Q36.1 | Cleft lip, median | Billable |
| Q36.9 | Cleft lip, unilateral | Billable |
| Q37.0 | Cleft hard palate with bilateral cleft lip | Billable |
| Q37.1 | Cleft hard palate with unilateral cleft lip | Billable |
| Q37.2 | Cleft soft palate with bilateral cleft lip | Billable |
| Q37.3 | Cleft soft palate with unilateral cleft lip | Billable |
| Q37.4 | Cleft hard and soft palate with bilateral cleft lip | Billable |
| Q37.5 | Cleft hard and soft palate with unilateral cleft lip | Billable |
| Q37.8 | Unspecified cleft palate with bilateral cleft lip | Billable |
| Q37.9 | Unspecified cleft palate with unilateral cleft lip | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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