AutoICD API

C84.0

Non-billable

Mycosis 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

Block

C81-C96

Parent Code

C84

Child Codes

11

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • personal history of non-Hodgkin lymphoma (Z85.72)
  • peripheral T-cell lymphoma, not elsewhere classified (C84.4-)

Excludes 2

Conditions not included here, but the patient may have both

  • Kaposi's sarcoma of lymph nodes (C46.3)
  • secondary and unspecified neoplasm of lymph nodes (C77.-)
  • secondary neoplasm of bone marrow (C79.52)
  • secondary neoplasm of spleen (C78.89)

Child Codes (11)

C84.00

Mycosis fungoides, unspecified site

BillableC84.01

Mycosis fungoides, lymph nodes of head, face, and neck

BillableC84.02

Mycosis fungoides, intrathoracic lymph nodes

BillableC84.03

Mycosis fungoides, intra-abdominal lymph nodes

BillableC84.04

Mycosis fungoides, lymph nodes of axilla and upper limb

BillableC84.05

Mycosis fungoides, nodes of inguinal region and lower limb

BillableC84.06

Mycosis fungoides, intrapelvic lymph nodes

BillableC84.07

Mycosis fungoides, spleen

BillableC84.08

Mycosis fungoides, lymph nodes of multiple sites

BillableC84.09

Mycosis fungoides, extranodal and solid organ sites

BillableC84.0A

Mycosis fungoides, in remission

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code C84.0?

ICD-10-CM code C84.0 represents "Mycosis fungoides". It 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.

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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.