C84.0
Non-billableMycosis fungoides
Mycosis fungoides
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Chapter
2: NeoplasmsBlock
C81-C96
Parent Code
C84Child Codes
11
ICD-11 Mapping
1 equivalentCoding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
Child Codes (11)
C84.00Mycosis fungoides, unspecified site
C84.01Mycosis fungoides, lymph nodes of head, face, and neck
C84.02Mycosis fungoides, intrathoracic lymph nodes
C84.03Mycosis fungoides, intra-abdominal lymph nodes
C84.04Mycosis fungoides, lymph nodes of axilla and upper limb
C84.05Mycosis fungoides, nodes of inguinal region and lower limb
C84.06Mycosis fungoides, intrapelvic lymph nodes
C84.07Mycosis fungoides, spleen
C84.08Mycosis fungoides, lymph nodes of multiple sites
C84.09Mycosis fungoides, extranodal and solid organ sites
C84.0AMycosis fungoides, in remission
Related Codes(7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(14)
UMLS
- Alibert-Bazin syndromeC0026948
- Granuloma fungoidesC0026948
- MF - Mycosis fungoidesC0026948
- MYCOSIS FUNGOIDESC0026948
- Mycoses fungoidesC0026948
- Mycosis FungoidesC0026948
- Mycosis fungoidesC0026948
- Mycosis fungoides (clinical)C0026948
- Mycosis fungoides (disorder)C0026948
- Mycosis fungoides (morphologic abnormality)C0026948
- Mycosis fungoides NOSC0026948
- Mycosis fungoides, unspecified siteC0026948
- mycosis fungoidesC0026948
- mycosis fungoides lymphomaC0026948
Frequently Asked Questions
What is the ICD-10 code for mycosis fungoides?
The ICD-10-CM code for mycosis fungoides is C84.0. The full clinical description is "Mycosis fungoides". C84.0 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code C84.0 mean?
ICD-10-CM code C84.0 represents “Mycosis fungoides”. It is classified under Chapter 2: Neoplasms and is a non-billable header code. Use a more specific child code for billing purposes.
Is C84.0 a billable code?
No, C84.0 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 11 child codes under C84.0.
What chapter is C84.0 in?
C84.0 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C84.0?
C84.0 has Excludes1 notes indicating codes that cannot be used together with it, including: personal history of non-Hodgkin lymphoma (Z85.72); peripheral T-cell lymphoma, not elsewhere classified (C84.4-).
What are the subcategories under C84.0?
C84.0 has 11 child codes, including: 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), and 7 more.
What are the UMLS CUIs for C84.0?
C84.0 is linked to 1 UMLS Concept Unique Identifier: C0026948. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C84.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like mycosis fungoides affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of C84.0?
C84.0 maps to the ICD-11 code: 2B01 (Mycosis fungoides).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.