C82.1Header code — not billable
Follicular lymphoma grade II
- Chapter
- 2. Neoplasms
- Category
- C82
- Effective date
- October 1, 2026
Related codes in category C82
C82Follicular lymphomaC82.0Follicular lymphoma grade IC82.00Follicular lymphoma grade I, unspecified siteYesC82.01Follicular lymphoma grade I, nodes of head, face, and neckYesC82.02Follicular lymphoma grade I, intrathoracic lymph nodesYesC82.03Follicular lymphoma grade I, intra-abdominal lymph nodesYesC82.04Follicular lymphoma grade I, nodes of axilla and upper limbYesC82.05Foliclar lymph grade I, nodes of ing region and lower limbYesC82.06Follicular lymphoma grade I, intrapelvic lymph nodesYesC82.07Follicular lymphoma grade I, spleenYesC82.08Follicular lymphoma grade I, lymph nodes of multiple sitesYesC82.09Follicular lymphoma grade I, extrnod and solid organ sitesYes
Frequently asked questions
What is ICD-10 code C82.1?
C82.1 is an ICD-10-CM diagnosis code for Follicular lymphoma grade II.
Is C82.1 a billable code?
No. C82.1 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is C82.1 in?
C82.1 falls under Chapter 2: Neoplasms.
When did C82.1 become effective?
C82.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to C82.1?
C82.1 belongs to category C82, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.