C82.03
BillableFollicular lymphoma grade I, 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
A slow-growing type of lymphoma called follicular lymphoma grade I located in the lymph nodes within the abdominal cavity.
Coding Tips
- •Intra-abdominal lymph nodes include mesenteric, retroperitoneal, and other abdominal nodes
- •Document imaging findings that confirm abdominal lymph node involvement
Clinical Significance
Follicular lymphoma grade I in intra-abdominal lymph nodes represents involvement of mesenteric, retroperitoneal, or other abdominal lymph node chains. Abdominal involvement is common in follicular lymphoma and often indicates at least stage II disease. Monitoring for bowel obstruction or compression symptoms is clinically relevant.
Documentation Requirements
- ✓Pathology confirming follicular lymphoma grade I
- ✓Imaging (CT abdomen/pelvis, PET/CT) documenting specific abdominal lymph node chains involved
- ✓Size measurements of dominant lymph node masses for treatment response assessment
- ✓Ann Arbor staging documentation
- ✓Treatment status and surveillance schedule
Commonly Confused Codes
C82.06 — Intrapelvic lymph nodes; abdominal and pelvic nodes are coded separately — do not combineC82.09 — Extranodal/solid organ sites; if lymphoma involves the liver or GI tract parenchyma, use C82.09 insteadC82.13 — Grade II, intra-abdominal; verify pathology grade before selectingC82.08 — Multiple sites; use only when involvement spans 2+ anatomic regions
Code Hierarchy
└C82Follicular lymphoma└C82.0Follicular lymphoma grade I└C82.03Follicular lymphoma grade I, intra-abdominal lymph nodes
└C82.03Follicular lymphoma grade I, intra-abdominal lymph nodes