C82.1A
BillableFollicular lymphoma grade II, in remission
HCC Category Mapping
V28HCC 21 — Breast, Prostate, Colorectal and Other Cancers and Tumors
0.545V24HCC 10 — Lymphoma and Other Cancers
0.675ESRDHCC 10 — Lymphoma and Other Cancers
0.000RxHCCHCC 21 — Hodgkin Lymphoma and Other Cancers
0.000What This Code Means
A type of slow-growing blood cancer (follicular lymphoma) that is grade II and is currently in remission (no active disease).
Coding Tips
- •Only use this code when remission status is explicitly documented by the physician
- •Remission may be partial or complete; ensure the documentation specifies which type
Clinical Significance
Follicular lymphoma grade II in remission indicates previously active intermediate-grade disease that has responded to treatment or is in a quiescent phase. Remission does not imply cure in follicular lymphoma — relapse rates are high, and lifelong surveillance is standard. This code captures the ongoing disease burden and monitoring needs even during remission.
Documentation Requirements
- ✓History of biopsy-proven follicular lymphoma grade II
- ✓Oncologist documentation explicitly stating complete or partial remission
- ✓Imaging evidence supporting remission (negative or improved PET/CT)
- ✓Ongoing surveillance plan with follow-up intervals
- ✓Duration of remission and any maintenance therapy (e.g., rituximab maintenance)
Commonly Confused Codes
C82.10-C82.19 — Active disease codes; use C82.1A only when remission is documentedC82.0A — Grade I in remission; verify original pathology gradeZ85.79 — Personal history of lymphoid neoplasm; use only for definitively cured lymphomas, not follicular lymphoma in remissionC82.2A — Grade III in remission; ensure correct grade assignment
Code Hierarchy
└C82Follicular lymphoma└C82.1Follicular lymphoma grade II└C82.1AFollicular lymphoma grade II, in remission
└C82.1AFollicular lymphoma grade II, in remission