2025 ICD-10-CM Diagnosis Code C85.1

by

Unspecified B-cell lymphoma

  • C85.1 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2025 edition of ICD-10-CM C85.1 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of C85.1 – other international versions of ICD-10 C85.1 may differ.

Note

  • If B-cell lineage or involvement is mentioned in conjunction with a specific lymphoma, code to the more specific description.

The following code(s) above C85.1 contain annotation back-references

 that may be applicable to C85.1:

  • C00-D49  Neoplasms
  • C81-C96  Malignant neoplasms of lymphoid, hematopoietic and related tissue
  • C85  Other specified and unspecified types of non-Hodgkin lymphoma

Code History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Code annotations containing back-references to C85.1:

  • Type 1 Excludes: C88

Diagnosis Index entries containing back-references to C85.1:

error: Content is protected !!