2025 ICD-10-CM Diagnosis Code C85.11

Unspecified B-cell lymphoma, lymph nodes of head, face, and neck

  • C85.11 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Unsp B-cell lymphoma, lymph nodes of head, face, and neck
  • The 2025 edition of ICD-10-CM C85.11 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of C85.11 – other international versions of ICD-10 C85.11 may differ.

The following code(s) above C85.11 contain annotation back-references

 that may be applicable to C85.11:

  • C00-D49  Neoplasms
  • C81-C96  Malignant neoplasms of lymphoid, hematopoietic and related tissue
  • C85  Other specified and unspecified types of non-Hodgkin lymphoma
  • C85.1  Unspecified B-cell lymphoma

Approximate Synonyms

  • B-cell lymphoma of head lymph nodes
  • B-cell lymphoma of lymph nodes of neck
  • B-cell lymphoma, neck ln
  • Lymphoma, b-cell, lymph nodes of head

ICD-10-CM C85.11 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 820 Lymphoma and leukemia with major o.r. Procedures with mcc
  • 821 Lymphoma and leukemia with major o.r. Procedures with cc
  • 822 Lymphoma and leukemia with major o.r. Procedures without cc/mcc
  • 823 Lymphoma and non-acute leukemia with other procedures with mcc
  • 824 Lymphoma and non-acute leukemia with other procedures with cc
  • 825 Lymphoma and non-acute leukemia with other procedures without cc/mcc
  • 840 Lymphoma and non-acute leukemia with mcc
  • 841 Lymphoma and non-acute leukemia with cc
  • 842 Lymphoma and non-acute leukemia without cc/mcc
  • 974 Hiv with major related condition with mcc
  • 975 Hiv with major related condition with cc
  • 976 Hiv with major related condition without cc/mcc

Convert C85.11 to ICD-9-CMCode 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
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