Q36

Non-billable

Cleft lip

Q36 is the ICD-10-CM code for Cleft lip. It is a non-billable category code — use a more specific child code such as Q36.0 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Subcodes
3
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

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

Excludes1 — not coded here

  • cleft lip with cleft palate (Q37.-)

Frequently asked questions

What is ICD-10 code Q36?
Q36 is the ICD-10-CM code for "Cleft lip". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q36 a billable code?
No — Q36 is a non-billable header code. Use a more specific child code (such as Q36.0) for billing.
What are the subcodes of Q36?
Q36 has 3 more specific child codes, including Q36.0, Q36.1, Q36.9.
What is excluded from Q36?
Excludes1 (not coded here): cleft lip with cleft palate (Q37.-).

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

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.