C82.93
BillableFollicular lymphoma, unspecified, intra-abdominal lymph nodes
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
Follicular lymphoma affecting lymph nodes within the abdominal cavity.
Coding Tips
- •Use this code for mesenteric, retroperitoneal, and other intra-abdominal lymph node involvement
- •Confirm documentation specifies abdominal lymph nodes rather than solid organ involvement
Clinical Significance
Follicular lymphoma, unspecified type, involving intra-abdominal lymph nodes captures follicular lymphoma in the abdominal cavity when grade information is unavailable. Intra-abdominal lymphoma commonly involves mesenteric and retroperitoneal nodes and may present with abdominal symptoms or be incidentally discovered. Grade determination from pathology review is important for treatment planning and more precise coding.
Documentation Requirements
- ✓Pathology confirming follicular lymphoma
- ✓Abdominal imaging documenting intra-abdominal lymph node involvement
- ✓Specification of involved node groups (mesenteric, retroperitoneal, celiac, etc.)
- ✓Query to pathology for grade information
- ✓Assessment for abdominal complications
- ✓Staging evaluation
Commonly Confused Codes
C82.83 — Other types of follicular lymphoma, intra-abdominal lymph nodes: Use when a specific variant is identifiedC82.53 — Diffuse follicle center lymphoma, intra-abdominal lymph nodes: Use when diffuse type is confirmedC82.96 — Follicular lymphoma, unspecified, intrapelvic lymph nodes: Distinguish abdominal from pelvic nodal locations
Code Hierarchy
└C82Follicular lymphoma└C82.9Follicular lymphoma, unspecified└C82.93Follicular lymphoma, unspecified, intra-abdominal lymph nodes
└C82.93Follicular lymphoma, unspecified, intra-abdominal lymph nodes