C83.81 Other non-follicular lymphoma, lymph nodes of head, face, and neck

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 C83.8 Other non-follicular lymphoma

Applicable to

• Intravascular large B-cell lymphoma
• Lymphoid granulomatosis
• Primary effusion B-cell lymphoma

Excludes1 (never code together)

• mediastinal (thymic) large B-cell lymphoma (C85.2-)
• T-cell rich B-cell lymphoma (C83.3-)

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) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 200.51 Primary central nervous system lymphoma, lymph nodes of head, face, and neck (approximate)
• 200.81 Other named variants of lymphosarcoma and reticulosarcoma, lymph nodes of head, face, and neck (approximate)

Code annotations containing back-references to C83.81

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

• C83.78 Burkitt lymphoma, lymph nodes of multiple sites
• C83.79 Burkitt lymphoma, extranodal and solid organ sites
• C83.7A Burkitt lymphoma, in remission
• C83.8 Other non-follicular lymphoma
• C83.80 Other non-follicular lymphoma, unspecified site
• C83.81 Other non-follicular lymphoma, lymph nodes of head, face, and neck (this code)
• C83.82 Other non-follicular lymphoma, intrathoracic lymph nodes
• C83.83 Other non-follicular lymphoma, intra-abdominal lymph nodes
• C83.84 Other non-follicular lymphoma, lymph nodes of axilla and upper limb
• C83.85 Other non-follicular lymphoma, lymph nodes of inguinal region and lower limb
• C83.86 Other non-follicular lymphoma, intrapelvic lymph nodes