Q35 – Cleft palate
ICD-10-CM 2027 diagnosis code · Cleft lip and cleft palate
ICD-10-CM code
Q35
- Code
Q35(claims format:Q35)- Description
- Cleft palate
- Billable
- No – use a more specific code below
- 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
Billable codes under Q35
Q35 is a header code and cannot be used on claims. Choose the most specific code:
- Q35.1 – Cleft hard palateBillable
- Q35.3 – Cleft soft palateBillable
- Q35.5 – Cleft hard palate with cleft soft palateBillable
- Q35.7 – Cleft uvulaBillable
- Q35.9 – Cleft palate, unspecifiedBillable
Notes for Q35
Includes:
- fissure of palate
- palatoschisis
Excludes1 (not coded here):
- cleft palate with cleft lip (Q37.-)
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
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)
Frequently asked questions
What is ICD-10 code Q35?
Q35 is the ICD-10-CM code for cleft palate, in the block Q35-Q37 (Cleft lip and cleft palate).
Is Q35 a billable code?
No. Q35 is a header code with more specific child codes; report one of the billable codes listed above.
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.