ICD-10 Code C82.86 – Other types of follicular lymphoma, intrapelvic lymph nodes (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code C82.86 – Other types of follicular lymphoma, intrapelvic lymph nodes
What it is
This code identifies follicular lymphoma, a slow-growing non-Hodgkin lymphoma, involving intrapelvic lymph nodes. Use it when documentation specifies this site and does not name a more specific follicular lymphoma subtype.
Clinical signs
Findings may include enlarged pelvic lymph nodes, but clinical features vary; refer to documentation. Diagnosis is usually confirmed by pathology and imaging, with the lymphoma type and nodal site clearly stated.
When to use this code
Use C82.86 when the provider documents other types of follicular lymphoma in intrapelvic lymph nodes. It fits cases where the record names pelvic nodal involvement and does not support a different follicular lymphoma code. If the site or subtype is unclear, check documentation.
Do not use for
Do not use this code for follicular lymphoma in a different lymph node region or for a more specific follicular lymphoma subtype. Do not assign it when the diagnosis is not documented as intrapelvic.
Coding tip
Match both the lymphoma type and the nodal location exactly as documented before assigning C82.86.