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ICD-10-CM · FY 2026 APRIL UPDATE

C82

Follicular lymphoma

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
C82.0Follicular lymphoma grade ICategory
C82.00Follicular lymphoma grade I, unspecified siteBillable
C82.01Follicular lymphoma grade I, lymph nodes of head, face, and neckBillable
C82.02Follicular lymphoma grade I, intrathoracic lymph nodesBillable
C82.03Follicular lymphoma grade I, intra-abdominal lymph nodesBillable
C82.04Follicular lymphoma grade I, lymph nodes of axilla and upper limbBillable
C82.05Follicular lymphoma grade I, lymph nodes of inguinal region and lower limbBillable
C82.06Follicular lymphoma grade I, intrapelvic lymph nodesBillable
C82.07Follicular lymphoma grade I, spleenBillable
C82.08Follicular lymphoma grade I, lymph nodes of multiple sitesBillable
C82.09Follicular lymphoma grade I, extranodal and solid organ sitesBillable
C82.0AFollicular lymphoma grade I, in remissionBillable
C82.1Follicular lymphoma grade IICategory
C82.10Follicular lymphoma grade II, unspecified siteBillable
C82.11Follicular lymphoma grade II, lymph nodes of head, face, and neckBillable
C82.12Follicular lymphoma grade II, intrathoracic lymph nodesBillable
C82.13Follicular lymphoma grade II, intra-abdominal lymph nodesBillable
C82.14Follicular lymphoma grade II, lymph nodes of axilla and upper limbBillable
C82.15Follicular lymphoma grade II, lymph nodes of inguinal region and lower limbBillable
C82.16Follicular lymphoma grade II, intrapelvic lymph nodesBillable
C82.17Follicular lymphoma grade II, spleenBillable
C82.18Follicular lymphoma grade II, lymph nodes of multiple sitesBillable
C82.19Follicular lymphoma grade II, extranodal and solid organ sitesBillable
C82.1AFollicular lymphoma grade II, in remissionBillable
C82.2Follicular lymphoma grade III, unspecifiedCategory
C82.20Follicular lymphoma grade III, unspecified, unspecified siteBillable
C82.21Follicular lymphoma grade III, unspecified, lymph nodes of head, face, and neckBillable
C82.22Follicular lymphoma grade III, unspecified, intrathoracic lymph nodesBillable
C82.23Follicular lymphoma grade III, unspecified, intra-abdominal lymph nodesBillable
C82.24Follicular lymphoma grade III, unspecified, lymph nodes of axilla and upper limbBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.