C84.0 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Mycosis fungoides.
Type 1 excludes
Peripheral T-cell lymphoma, not elsewhere classified (C84.4-)
Codes
C84.00
Mycosis fungoides, unspecified site
C84.01
Mycosis fungoides, lymph nodes of head, face, and neck
C84.02
Mycosis fungoides, intrathoracic lymph nodes
C84.03
Mycosis fungoides, intra-abdominal lymph nodes
C84.04
Mycosis fungoides, lymph nodes of axilla and upper limb
C84.05
Mycosis fungoides, lymph nodes of inguinal region and lower limb
C84.06
Mycosis fungoides, intrapelvic lymph nodes
C84.07
Mycosis fungoides, spleen
C84.08
Mycosis fungoides, lymph nodes of multiple sites
C84.09
Mycosis fungoides, extranodal and solid organ sites
C84.0A
Mycosis fungoides, in remission
Versions
2026
No changes
2025
No changes
2024
No changes
2023
Code changed
Type 1 excludes
peripheral T-cell lymphoma, not classified (C84.4-)
- peripheral T-cell lymphoma, not elsewhere classified (C84.4-)
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code