ICD-10-CM › C00-D49 › C81-C96 › C83.39 Diffuse large B-cell lymphoma,... › C83.390

C83.390

Primary central nervous system lymphoma

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2025 onwards.

What has happened to this code

Every change the publisher made, from 2025 to now.

  1. FY2025 Added to the code set Primary central nervous system lymphoma

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C83 Non-follicular lymphoma

Excludes1 - never coded here

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

Inherited from the C81-C96 section Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

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)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
C83.398 Diffuse large B-cell lymphoma of other extranodal and solid organ sites Valid