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ICD-10-CM · FY 2026 APRIL UPDATE

C83

Non-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
C83.0Small cell B-cell lymphomaCategory
C83.00Small cell B-cell lymphoma, unspecified siteBillable
C83.01Small cell B-cell lymphoma, lymph nodes of head, face, and neckBillable
C83.02Small cell B-cell lymphoma, intrathoracic lymph nodesBillable
C83.03Small cell B-cell lymphoma, intra-abdominal lymph nodesBillable
C83.04Small cell B-cell lymphoma, lymph nodes of axilla and upper limbBillable
C83.05Small cell B-cell lymphoma, lymph nodes of inguinal region and lower limbBillable
C83.06Small cell B-cell lymphoma, intrapelvic lymph nodesBillable
C83.07Small cell B-cell lymphoma, spleenBillable
C83.08Small cell B-cell lymphoma, lymph nodes of multiple sitesBillable
C83.09Small cell B-cell lymphoma, extranodal and solid organ sitesBillable
C83.0ASmall cell B-cell lymphoma, in remissionBillable
C83.1Mantle cell lymphomaCategory
C83.10Mantle cell lymphoma, unspecified siteBillable
C83.11Mantle cell lymphoma, lymph nodes of head, face, and neckBillable
C83.12Mantle cell lymphoma, intrathoracic lymph nodesBillable
C83.13Mantle cell lymphoma, intra-abdominal lymph nodesBillable
C83.14Mantle cell lymphoma, lymph nodes of axilla and upper limbBillable
C83.15Mantle cell lymphoma, lymph nodes of inguinal region and lower limbBillable
C83.16Mantle cell lymphoma, intrapelvic lymph nodesBillable
C83.17Mantle cell lymphoma, spleenBillable
C83.18Mantle cell lymphoma, lymph nodes of multiple sitesBillable
C83.19Mantle cell lymphoma, extranodal and solid organ sitesBillable
C83.1AMantle cell lymphoma, in remissionBillable
C83.3Diffuse large B-cell lymphomaCategory
C83.30Diffuse large B-cell lymphoma, unspecified siteBillable
C83.31Diffuse large B-cell lymphoma, lymph nodes of head, face, and neckBillable
C83.32Diffuse large B-cell lymphoma, intrathoracic lymph nodesBillable
C83.33Diffuse large B-cell lymphoma, intra-abdominal lymph nodesBillable
C83.34Diffuse large B-cell lymphoma, 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.