2025 ICD-10-CM Diagnosis Code C84.0A

Mycosis fungoides, in remission

  • C84.0A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM C84.0A is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
  • This is the American ICD-10-CM version of C84.0A – other international versions of ICD-10 C84.0A may differ.

The following code(s) above C84.0A contain annotation back-references

 that may be applicable to C84.0A:

  • C00-D49  Neoplasms
  • C81-C96  Malignant neoplasms of lymphoid, hematopoietic and related tissue
  • C84  Mature T/NK-cell lymphomas
  • C84.0  Mycosis fungoides

ICD-10-CM C84.0A is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 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

Code History

  • 2025 (effective 10/1/2024): New code