C84 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Mature T/NK-cell lymphomas.
Type 1 excludes
Personal history of non-Hodgkin lymphoma (Z85.72)
Codes
C84.0
Mycosis fungoides
C84.1
Su00e9zary disease
C84.4
Peripheral T-cell lymphoma, not elsewhere classified
C84.6
Anaplastic large cell lymphoma, ALK-positive
C84.7
Anaplastic large cell lymphoma, ALK-negative
C84.A
Cutaneous T-cell lymphoma, unspecified
C84.Z
Other mature T/NK-cell lymphomas
C84.9
Mature T/NK-cell lymphomas, unspecified
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code