C83.02 Small cell B-cell lymphoma, intrathoracic lymph nodes

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from C83 Non-follicular lymphoma

Excludes1 (never code together)

• personal history of non-Hodgkin lymphoma (Z85.72)

Applies from C83.0 Small cell B-cell lymphoma

Applicable to

• Lymphoplasmacytic lymphoma
• Nodal marginal zone lymphoma
• Non-leukemic variant of B-CLL
• Splenic marginal zone lymphoma

Excludes1 (never code together)

• chronic lymphocytic leukemia (C91.1)
• mature T/NK-cell lymphomas (C84.-)
• Waldenström macroglobulinemia (C88.00)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 21 — Lymphoma and Other Cancers
• CMS-HCC V22: HCC 10 — Lymphoma and Other Cancers
• RxHCC V08: HCC 21 — Lymphomas and Other Hematologic Cancers
• ESRD V24: HCC 10

MS-DRG index

Defines the logic of DRG(s) 820-822 in MDC 17.

Approximate ICD-9-CM (GEMs)

• 200.82 Other named variants of lymphosarcoma and reticulosarcoma,intrathoracic lymph nodes (approximate)

Code annotations containing back-references to C83.02

Back-references to C83.0

• Type 1 Excludes: C88.0 Waldenström macroglobulinemia ("small cell B-cell lymphoma (C83.0)")
• Type 1 Excludes: C91.1 Chronic lymphocytic leukemia of B-cell type ("lymphoplasmacytic lymphoma (C83.0-)")

Back-references to C83

• Type 1 Excludes: C26.1 Malignant neoplasm of spleen ("non-Hodgkin lymphoma (C82-C85)")
• Type 1 Excludes: C76 Malignant neoplasm of other and ill-defined sites ("malignant neoplasm of lymphoid, hematopoietic and related tissue (C81-C96)")
• Type 1 Excludes: C77 Secondary and unspecified malignant neoplasm of lymph nodes ("malignant neoplasm of lymph nodes, specified as primary (C81-C86, C88, C96.-)")
• Code Also: D47.02 Systemic mastocytosis ("non-Hodgkin lymphoma (C82-C85)")
• Code First: Z15.0 Genetic susceptibility to malignant neoplasm (", if applicable, any current malignant neoplasm (C00-C75, C81-C96)")

Nearby codes

• C83 Non-follicular lymphoma
• C83.0 Small cell B-cell lymphoma
• C83.00 Small cell B-cell lymphoma, unspecified site
• C83.01 Small cell B-cell lymphoma, lymph nodes of head, face, and neck
• C83.02 Small cell B-cell lymphoma, intrathoracic lymph nodes (this code)
• C83.03 Small cell B-cell lymphoma, intra-abdominal lymph nodes
• C83.04 Small cell B-cell lymphoma, lymph nodes of axilla and upper limb
• C83.05 Small cell B-cell lymphoma, lymph nodes of inguinal region and lower limb
• C83.06 Small cell B-cell lymphoma, intrapelvic lymph nodes
• C83.07 Small cell B-cell lymphoma, spleen