ICD-10/C83.39

C83.39 ICD 2026 Code: Diffuse large B-cell lymphoma, extranodal and solid organ sites

C83.39 is the authoritative medical code for Diffuse large B-cell lymphoma, extranodal and solid organ sites. This classification is used in medical billing and clinical recording to specify the clinical criteria for diffuse large b-cell lymphoma, extranodal and solid organ sites (ICD-10-CM C83.39), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.

Official Registry Overview & Definition

Diffuse large B-cell lymphoma, extranodal and solid organ sites is a non-billable ICD-10-CM category code C83.39. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): mediastinal thymic large B-cell lymphoma C85.2-; mature T/NK-cell lymphomas C84.-; personal history of non-Hodgkin lymphoma Z85.72. Excludes2 (not included here): Kaposi's sarcoma of lymph nodes C46.3; secondary and unspecified neoplasm of lymph nodes C77.-; secondary neoplasm of bone marrow C79.52; secondary neoplasm of spleen C78.89.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for C83.39 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • mediastinal thymic large B-cell lymphoma C85.2-
  • mature T/NK-cell lymphomas C84.-
  • personal history of non-Hodgkin lymphoma Z85.72

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • Kaposi's sarcoma of lymph nodes C46.3
  • secondary and unspecified neoplasm of lymph nodes C77.-
  • secondary neoplasm of bone marrow C79.52
  • secondary neoplasm of spleen C78.89

Frequently Asked Questions (FAQ) & Clinical Guidance

Can C83.39 be billed directly?

No. C83.39 (Diffuse large B-cell lymphoma, extranodal and solid organ sites) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

What can't be coded together with C83.39?

Per official ICD-10-CM Excludes1 instructions, C83.39 must not be reported together with: mediastinal (thymic) large B-cell lymphoma (C85.2-); mature T/NK-cell lymphomas (C84.-); personal history of non-Hodgkin lymphoma (Z85.72).

Can C83.39 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, C83.39 and the following are not considered part of each other and may both be reported when both conditions are present: Kaposi's sarcoma of lymph nodes (C46.3); secondary and unspecified neoplasm of lymph nodes (C77.-); secondary neoplasm of bone marrow (C79.52); secondary neoplasm of spleen (C78.89).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to C83.39 in its code family, with their registry titles.

  • 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
  • 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

View all 40 codes in the C83 family