All ICD10 Codes
Q36Not billable, use a more specific code below

Cleft lip

In Cleft lip and cleft palate (Q35-Q37), chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities

3 billable codes under Q36: none are a CC or MCC; none map to an HCC.

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Instructional notes

Includes: conditions that are coded here

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

Excludes1: not coded here, use a different code

  • cleft lip with cleft palate (Q37.-)

Also applies, from Cleft lip and cleft palate (Q35-Q37)

These notes sit on Q35-Q37 and apply to every code under it, including Q36.

Excludes2: not included here, code separately if applicable

Use additional code: add a second code for this, listed after this one

  • code to identify associated malformation of the nose (Q30.2)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Assign Q00-QA1 codes for documented congenital anomalies or genetic disorders at any age, coding non-inherent manifestations separately and sequencing Z38 first on the birth admission.

Read Section I.C.17 (page 74)

All codes under Q36

Q36 can't be used on a claim. Pick a billable code below; grey headings group them.

Q36 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

Other codes that refer to Q36

Notes on these codes point to Q36.

  • Q38.0 Excludes1: cleft lip (Q36.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Cleft Lip and Palate

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.

Read more about cleft lip and palate on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.