ICD10

ICD-10 Code C82.2: Follicular lymphoma grade III, unspecified

C82.2 is an ICD-10 diagnosis entry used to group records related to Follicular lymphoma grade III, unspecified. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Neoplasms (C00-D49).

When is it used?

  • May be used when a clinician documents follicular lymphoma grade iii, unspecified in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
2Neoplasms (C00-D49)
block
C00-C96Malignant neoplasms
block
C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue
category
C82Follicular lymphoma
currentC82

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

OncologistGeneral Physician

Related codes

C82.20Follicular lymphoma grade III, unspecified, unspecified sitecodeC82.21Follicular lymphoma grade III, unspecified, lymph nodes of head, face, and neckcodeC82.22Follicular lymphoma grade III, unspecified, intrathoracic lymph nodescodeC82.23Follicular lymphoma grade III, unspecified, intra-abdominal lymph nodescodeC82.24Follicular lymphoma grade III, unspecified, lymph nodes of axilla and upper limbcodeC82.25Follicular lymphoma grade III, unspecified, lymph nodes of inguinal region and lower limbcodeC82.26Follicular lymphoma grade III, unspecified, intrapelvic lymph nodescodeC82.27Follicular lymphoma grade III, unspecified, spleencodeC82.28Follicular lymphoma grade III, unspecified, lymph nodes of multiple sitescodeC82.29Follicular lymphoma grade III, unspecified, extranodal and solid organ sitescodeC82.2AFollicular lymphoma grade III, unspecified, in remissioncode

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
C82.2
Replacement codes
C82.20 — Follicular lymphoma grade III, unspecified, unspecified siteC82.21 — Follicular lymphoma grade III, unspecified, lymph nodes of head, face, and neckC82.22 — Follicular lymphoma grade III, unspecified, intrathoracic lymph nodesC82.23 — Follicular lymphoma grade III, unspecified, intra-abdominal lymph nodesC82.24 — Follicular lymphoma grade III, unspecified, lymph nodes of axilla and upper limbC82.25 — Follicular lymphoma grade III, unspecified, lymph nodes of inguinal region and lower limbC82.26 — Follicular lymphoma grade III, unspecified, intrapelvic lymph nodesC82.27 — Follicular lymphoma grade III, unspecified, spleenC82.28 — Follicular lymphoma grade III, unspecified, lymph nodes of multiple sitesC82.29 — Follicular lymphoma grade III, unspecified, extranodal and solid organ sitesC82.2A — Follicular lymphoma grade III, unspecified, in remission

Common synonyms

Follicular lymphoma grade III, unspecifiedFollicular lymphoma grade III

Frequently asked questions

Code details

CodeC82.2
SystemICD10
Display nameFollicular lymphoma grade III, unspecified
ChapterNeoplasms (C00-D49)
BlockMalignant neoplasms of lymphoid, hematopoietic and related tissue

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.