E53.0 vs K13.0
E53.0 (Riboflavin deficiency) compared with K13.0 (Diseases of lips), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. K13.0 carries an Excludes1 note covering E53.0: “ariboflavinosis (E53.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. K13.0 carries an Excludes1 note covering E53.0: “Perlèche due to riboflavin deficiency (E53.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| E53.0Riboflavin deficiency | K13.0Diseases of lips | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | K00-K95 — Diseases of the Digestive System (K00-K95) |
| Definition | Riboflavin deficiency is a billable ICD-10-CM diagnosis code (E53.0). | Diseases of lips is a billable ICD-10-CM diagnosis code (K13.0). |
| Includes | Ariboflavinosis Vitamin B2 deficiency | epithelial disturbances of tongue Abscess of lips Angular cheilitis Cellulitis of lips |
| Use additional code | — | code to identify: alcohol abuse and dependence (F10.-) exposure to environmental tobacco smoke (Z77.22) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources