ICD-10-CM
ICD-10 code for Macrocheilia: Q18.6
The closest CDC title for "Macrocheilia" is Q18.6, Macrocheilia. Q18.6 is a billable code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under Q18, then other CDC titles that name macrocheilia
A header groups codes and is not billed. A billable code is one you can report.
- Q18Other congenital malformations of face and neckHeader
- Q18.0Sinus, fistula and cyst of branchial cleftBillable
- Q18.1Preauricular sinus and cystBillable
- Q18.2Other branchial cleft malformationsBillable
- Q18.3Webbing of neckBillable
- Q18.4MacrostomiaBillable
- Q18.5MicrostomiaBillable
- Q18.6MacrocheiliaBillable
- Q18.7MicrocheiliaBillable
- Q18.8Other specified congenital malformations of face and neckBillable
- Q18.9Congenital malformation of face and neck, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
From Q18. A note on a category applies to every code under it.
Related conditions
Related pages
- Q18.6 code detailsNotes, nearby codes, CMS-HCC group
- Category Q18Every code under it
- Chapter 17Congenital malformations and chromosomal abnormalities
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Macrocheilia?
The closest CDC title for "Macrocheilia" is Q18.6, Macrocheilia. Q18.6 is a billable code.
Is Q18.6 billable?
Yes. Q18.6 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to Q18.6?
The CDC tabular list gives 7 Excludes1 notes (not coded together) for Q18.6 and the categories above it. They are listed on this page.
What chapter is Q18.6 in?
Chapter 17. Congenital malformations and chromosomal abnormalities.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.