Q36.9 – Cleft lip, unilateral
ICD-10-CM 2027 diagnosis code · Cleft lip and cleft palate
ICD-10-CM code
Q36.9
- Code
Q36.9(claims format:Q369)- Description
- Cleft lip, unilateral
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Block
- Q35-Q37 Cleft lip and cleft palate
- Parent codes
- Q36
Notes for Q36.9
Applicable to:
- Cleft lip NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Q36 – Cleft lip
Includes:
- cheiloschisis
- congenital fissure of lip
- harelip
- labium leporinum
Excludes1 (not coded here):
- cleft lip with cleft palate (Q37.-)
Block Q35-Q37
Excludes2 (not included here):
- Robin's syndrome (Q87.0)
Use additional code:
- code to identify associated malformation of the nose (Q30.2)
Index terms for Q36.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in Q36
- Q36.0 – Cleft lip, bilateralBillable
- Q36.1 – Cleft lip, medianBillable
Frequently asked questions
What is ICD-10 code Q36.9?
Q36.9 is the ICD-10-CM code for cleft lip, unilateral, in the block Q35-Q37 (Cleft lip and cleft palate).
Is Q36.9 a billable code?
Yes. Q36.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Q36.9 belong to?
It belongs to category Q36 – Cleft lip.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.