Q36

Cleft lip

FY2027Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders/Q35–Q37 Cleft lip and cleft palate

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

Q36 is a non-billable ICD-10-CM code category for cleft lip. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are Q36.0 Cleft lip, bilateral; Q36.1 Cleft lip, median and Q36.9 Cleft lip, unilateral. Its coding notes include a Use additional code instruction, 1 Excludes1 entry and 2 Excludes2 entries.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.

Guidelines I.C.17Congenital malformations and genetic disordersRead the official text

Use additional code

Add the listed code as a secondary code, if known.

Also from chapter/block level (1 note)
Inherited from Q35–Q37 Cleft lip and cleft palate
  • code to identify associated malformation of the nose (Q30.2)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • cleft lip with cleft palate (Q37.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (2 notes)
Inherited from Q35–Q37 Cleft lip and cleft palate
Inherited from Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
  • inborn errors of metabolism (E70-E88)

Includes

Further defines or gives examples of the content of the category.

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

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
  • Codes from this chapter are not for use on maternal records

More specific codes under Q36 3