Q35

Non-billable

Cleft palate

Q35 is the ICD-10-CM code for Cleft palate. It is a non-billable category code — use a more specific child code such as Q35.1 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Subcodes
5
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

What this means — in plain language

MedlinePlus · NIH

Cleft lip and cleft palate are birth defects that occur when a baby's lip or mouth do not form properly. They happen early during pregnancy. A baby can have a cleft lip, a cleft palate, or both. A cleft lip happens if the tissue that makes up the lip does not join completely before birth. This causes an opening in the upper lip. The opening can be a small slit or a large opening that goes through the lip into the…

Read more about Cleft Lip and Palate at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • fissure of palate
  • palatoschisis

Excludes1 — not coded here

  • cleft palate with cleft lip (Q37.-)

Frequently asked questions

What is ICD-10 code Q35?
Q35 is the ICD-10-CM code for "Cleft palate". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q35 a billable code?
No — Q35 is a non-billable header code. Use a more specific child code (such as Q35.1) for billing.
What are the subcodes of Q35?
Q35 has 5 more specific child codes, including Q35.1, Q35.3, Q35.5.
What is excluded from Q35?
Excludes1 (not coded here): cleft palate with cleft lip (Q37.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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