E53.0 vs L05
E53.0 (Riboflavin deficiency) compared with L05 (Pilonidal cyst and sinus), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. L05 carries an Excludes2 note covering E53.0: “Perlèche due to riboflavin deficiency (E53.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| E53.0Riboflavin deficiency | L05Pilonidal cyst and sinus | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | E00-E89 — Endocrine, Nutritional and Metabolic Diseases (E00-E89) | L00-L99 — Diseases of the Skin and Subcutaneous Tissue (L00-L99) |
| Definition | Riboflavin deficiency is a billable ICD-10-CM diagnosis code (E53.0). | Pilonidal cyst and sinus is a non-billable ICD-10-CM category code (L05). |
| Includes | Ariboflavinosis Vitamin B2 deficiency | — |
| Use additional code | — | code (B95-B97) to identify infectious agent. |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources