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ICD-10-CM 2027

ICD-10 code for cheilitis

K13.0

Diseases of lips

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Cheilitis (acute) (angular) (catarrhal) (chronic) (exfoliative) (gangrenous) (glandular) (infectional) (suppurative) (ulcerative) (vesicular)”. Page updated September 29, 2026.

About coding cheilitis

The ICD-10-CM code for cheilitis is K13.0 (Diseases of lips). The official index lists 3 more specific codes, so check the documentation for details such as type, cause, site or severity before settling on K13.0.

Within K13 (other diseases of lip and oral mucosa), K13.0 is specifically for diseases of lips. Related codes cover cheek and lip biting (K13.1), leukoplakia and other disturbances of oral epithelium, including tongue (K13.2), Hairy leukoplakia (K13.3), granuloma and granuloma-like lesions of oral mucosa (K13.4), oral submucous fibrosis (K13.5), Irritative hyperplasia of oral mucosa (K13.6) and other and unspecified lesions of oral mucosa (K13.7).

Don't report K13.0 together with the conditions in its Excludes1 note: ariboflavinosis (E53.0), cheilitis due to radiation-related disorders (L55-L59), congenital fistula of lips (Q38.0), congenital hypertrophy of lips (Q18.6) and 2 more.

Use an additional code to identify: alcohol abuse and dependence (F10.-), exposure to environmental tobacco smoke (Z77.22), exposure to tobacco smoke in the perinatal period (P96.81), history of tobacco dependence (Z87.891), occupational exposure to environmental tobacco smoke (Z57.31) and 2 more.

More specific cheilitis codes (official index)

  • actinic (due to sun) L56.8 — Other specified acute skin changes due to ultraviolet radiation
  • other than from sun L59.8 — Other specified disorders of the skin and subcutaneous tissue related to radiation
  • candidal B37.83 — Candidal cheilitis

Don't confuse with (Excludes1 for K13.0)

  • ariboflavinosis (E53.0)
  • cheilitis due to radiation-related disorders (L55-L59)
  • congenital fistula of lips (Q38.0)
  • congenital hypertrophy of lips (Q18.6)
  • Perlèche due to candidiasis (B37.83)
  • Perlèche due to riboflavin deficiency (E53.0)

Common questions about cheilitis ICD-10 codes

What is the ICD-10 code for cheilitis?

K13.0 — Diseases of lips. More specific codes apply when the documentation supports them: L56.8, L59.8, B37.83.

What is the ICD-10 code for actinic cheilitis?

L56.8 — Other specified acute skin changes due to ultraviolet radiation.

What is the ICD-10 code for candidal cheilitis?

B37.83 — Candidal cheilitis.

Is K13.0 billable?

Yes. K13.0 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can K13.0 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict K13.0 as a principal diagnosis.

Is K13.0 a CC or MCC?

No. K13.0 is neither a CC nor an MCC under MS-DRG v44.0.