C84.00
✓ BillableMycosis fungoides, unspecified site
Neoplasms (C00-D49)
❌ Excludes1
inherited from C84.0Rules from parent category C84.0: Mycosis fungoides
- • peripheral T-cell lymphoma, not elsewhere classified (C84.4-)
🧪 Validate Combinations
Add C84.00 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)