C82.26

Billable

Follicular lymphoma grade III, unspecified, intrapelvic lymph nodes

HCC Category Mapping

V28HCC 21 — Breast, Prostate, Colorectal and Other Cancers and Tumors

0.545

V24HCC 10 — Lymphoma and Other Cancers

0.675

ESRDHCC 10 — Lymphoma and Other Cancers

0.000

RxHCCHCC 21 — Hodgkin Lymphoma and Other Cancers

0.000

What This Code Means

A type of blood cancer (follicular lymphoma) affecting lymph nodes in the pelvis area. This is an advanced grade (grade III) of the disease.

Coding Tips

•Verify the grade (III) and site (intrapelvic) are documented in the pathology report
•Confirm whether the patient is in remission; if so, use code C82.2A instead

Clinical Significance

Follicular lymphoma grade III unspecified in intrapelvic lymph nodes indicates high-grade disease deep within the pelvis. This combination of aggressive histology and deep anatomic location may produce compressive symptoms affecting urinary, reproductive, or lower GI function. Grade III disease in this location typically requires systemic treatment rather than observation.

Documentation Requirements

✓Pathology confirming grade III follicular lymphoma
✓CT/PET imaging documenting intrapelvic lymph node involvement
✓Assessment for compressive symptoms (bladder outlet obstruction, ureteral obstruction, constipation)
✓Query for IIIa vs. IIIb subtype
✓Staging and treatment plan

Commonly Confused Codes

C82.25 — Grade III, inguinal/lower limb; superficial groin, not deep pelvic C82.23 — Grade III, intra-abdominal; above pelvic brim, not intrapelvic C82.16 — Grade II, intrapelvic; lower grade designation C82.36 — Grade IIIa, intrapelvic; use when pathology specifies subtype

Code Hierarchy

└C82Follicular lymphoma └C82.2Follicular lymphoma grade III, unspecified └C82.26Follicular lymphoma grade III, unspecified, intrapelvic lymph nodes

└C82.26Follicular lymphoma grade III, unspecified, intrapelvic lymph nodes