ICD-10-CM 2027
ICD-10 code for cheek external abscess
From the official ICD-10-CM alphabetic index entry “Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › cheek (external)”. Page updated September 29, 2026.
About coding cheek external abscess
The ICD-10-CM code for cheek external abscess is L02.01 (Cutaneous abscess of face). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on L02.01.
Within L02.0 (cutaneous abscess, furuncle and carbuncle of face), L02.01 is specifically for cutaneous abscess of face. Related codes cover furuncle of face (L02.02) and carbuncle of face (L02.03).
Use an additional code to identify organism (B95-B96).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
More specific cheek external abscess codes (official index)
- inner K12.2 — Cellulitis and abscess of mouth
Common questions about cheek external abscess ICD-10 codes
What is the ICD-10 code for cheek external abscess?
- L02.01 — Cutaneous abscess of face. More specific codes apply when the documentation supports them: K12.2.
What is the ICD-10 code for inner cheek external abscess?
- K12.2 — Cellulitis and abscess of mouth.
Is L02.01 billable?
- Yes. L02.01 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can L02.01 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict L02.01 as a principal diagnosis.
Is L02.01 a CC or MCC?
- L02.01 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.