Q36.9 Cleft lip, unilateral

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Cleft lip NOS

Applies from Q36 Cleft lip

Includes

• cheiloschisis
• congenital fissure of lip
• harelip
• labium leporinum

Excludes1 (never code together)

• cleft lip with cleft palate (Q37.-)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 749.10 Cleft lip, unspecified (approximate)
• 749.11 Cleft lip, unilateral, complete (approximate)
• 749.12 Cleft lip, unilateral, incomplete (approximate)

Code annotations containing back-references to Q36.9

Back-references to Q36

• Type 1 Excludes: Q18 Other congenital malformations of face and neck ("cleft lip and cleft palate (Q35-Q37)")
• Type 1 Excludes: Q38.0 Congenital malformations of lips, not elsewhere classified ("cleft lip (Q36.-)")

Diagnosis Index entries for Q36.9

• Cleft (congenital) › lip (unilateral)

Nearby codes

• Q36 Cleft lip
• Q36.0 Cleft lip, bilateral
• Q36.1 Cleft lip, median
• Q36.9 Cleft lip, unilateral (this code)