ICD-10-CM Code C84: Mature T/NK-cell lymphomas and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

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A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • C84 - Mature T/NK-cell lymphomas
    • C84.0 - Mycosis fungoides
      • 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
    • C84.1 - Sezary disease
      • C84.10 - Sezary disease, unspecified site
      • C84.11 - Sezary disease, lymph nodes of head, face, and neck
      • C84.12 - Sezary disease, intrathoracic lymph nodes
      • C84.13 - Sezary disease, intra-abdominal lymph nodes
      • C84.14 - Sezary disease, lymph nodes of axilla and upper limb
      • C84.15 - Sezary disease, lymph nodes of inguinal region and lower limb
      • C84.16 - Sezary disease, intrapelvic lymph nodes
      • C84.17 - Sezary disease, spleen
      • C84.18 - Sezary disease, lymph nodes of multiple sites
      • C84.19 - Sezary disease, extranodal and solid organ sites
      • C84.1A - Sezary disease, in remission
    • C84.4 - Peripheral T-cell lymphoma, not elsewhere classified
      • C84.40 - Peripheral T-cell lymphoma, not elsewhere classified, unspecified site
      • C84.41 - Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neck
      • C84.42 - Peripheral T-cell lymphoma, not elsewhere classified, intrathoracic lymph nodes
      • C84.43 - Peripheral T-cell lymphoma, not elsewhere classified, intra-abdominal lymph nodes
      • C84.44 - Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of axilla and upper limb
      • C84.45 - Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of inguinal region and lower limb
      • C84.46 - Peripheral T-cell lymphoma, not elsewhere classified, intrapelvic lymph nodes
      • C84.47 - Peripheral T-cell lymphoma, not elsewhere classified, spleen
      • C84.48 - Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of multiple sites
      • C84.49 - Peripheral T-cell lymphoma, not elsewhere classified, extranodal and solid organ sites
      • C84.4A - Peripheral T-cell lymphoma, not elsewhere classified, in remission
    • C84.6 - Anaplastic large cell lymphoma, ALK-positive
      • C84.60 - Anaplastic large cell lymphoma, ALK-positive, unspecified site
      • C84.61 - Anaplastic large cell lymphoma, ALK-positive, lymph nodes of head, face, and neck
      • C84.62 - Anaplastic large cell lymphoma, ALK-positive, intrathoracic lymph nodes
      • C84.63 - Anaplastic large cell lymphoma, ALK-positive, intra-abdominal lymph nodes
      • C84.64 - Anaplastic large cell lymphoma, ALK-positive, lymph nodes of axilla and upper limb
      • C84.65 - Anaplastic large cell lymphoma, ALK-positive, lymph nodes of inguinal region and lower limb
      • C84.66 - Anaplastic large cell lymphoma, ALK-positive, intrapelvic lymph nodes
      • C84.67 - Anaplastic large cell lymphoma, ALK-positive, spleen
      • C84.68 - Anaplastic large cell lymphoma, ALK-positive, lymph nodes of multiple sites
      • C84.69 - Anaplastic large cell lymphoma, ALK-positive, extranodal and solid organ sites
      • C84.6A - Anaplastic large cell lymphoma, ALK-positive, in remission
    • C84.7 - Anaplastic large cell lymphoma, ALK-negative
      • C84.70 - Anaplastic large cell lymphoma, ALK-negative, unspecified site
      • C84.71 - Anaplastic large cell lymphoma, ALK-negative, lymph nodes of head, face, and neck
      • C84.72 - Anaplastic large cell lymphoma, ALK-negative, intrathoracic lymph nodes
      • C84.73 - Anaplastic large cell lymphoma, ALK-negative, intra-abdominal lymph nodes
      • C84.74 - Anaplastic large cell lymphoma, ALK-negative, lymph nodes of axilla and upper limb
      • C84.75 - Anaplastic large cell lymphoma, ALK-negative, lymph nodes of inguinal region and lower limb
      • C84.76 - Anaplastic large cell lymphoma, ALK-negative, intrapelvic lymph nodes
      • C84.77 - Anaplastic large cell lymphoma, ALK-negative, spleen
      • C84.78 - Anaplastic large cell lymphoma, ALK-negative, lymph nodes of multiple sites
      • C84.79 - Anaplastic large cell lymphoma, ALK-negative, extranodal and solid organ sites
      • C84.7A - Anaplastic large cell lymphoma, ALK-negative, breast
      • C84.7B - Anaplastic large cell lymphoma, ALK-negative, in remission
    • C84.A - Cutaneous T-cell lymphoma, unspecified
      • C84.A0 - Cutaneous T-cell lymphoma, unspecified, unspecified site
      • C84.A1 - Cutaneous T-cell lymphoma, unspecified lymph nodes of head, face, and neck
      • C84.A2 - Cutaneous T-cell lymphoma, unspecified, intrathoracic lymph nodes
      • C84.A3 - Cutaneous T-cell lymphoma, unspecified, intra-abdominal lymph nodes
      • C84.A4 - Cutaneous T-cell lymphoma, unspecified, lymph nodes of axilla and upper limb
      • C84.A5 - Cutaneous T-cell lymphoma, unspecified, lymph nodes of inguinal region and lower limb
      • C84.A6 - Cutaneous T-cell lymphoma, unspecified, intrapelvic lymph nodes
      • C84.A7 - Cutaneous T-cell lymphoma, unspecified, spleen
      • C84.A8 - Cutaneous T-cell lymphoma, unspecified, lymph nodes of multiple sites
      • C84.A9 - Cutaneous T-cell lymphoma, unspecified, extranodal and solid organ sites
      • C84.AA - Cutaneous T-cell lymphoma, unspecified, in remission
    • C84.Z - Other mature T/NK-cell lymphomas
      • C84.Z0 - Other mature T/NK-cell lymphomas, unspecified site
      • C84.Z1 - Other mature T/NK-cell lymphomas, lymph nodes of head, face, and neck
      • C84.Z2 - Other mature T/NK-cell lymphomas, intrathoracic lymph nodes
      • C84.Z3 - Other mature T/NK-cell lymphomas, intra-abdominal lymph nodes
      • C84.Z4 - Other mature T/NK-cell lymphomas, lymph nodes of axilla and upper limb
      • C84.Z5 - Other mature T/NK-cell lymphomas, lymph nodes of inguinal region and lower limb
      • C84.Z6 - Other mature T/NK-cell lymphomas, intrapelvic lymph nodes
      • C84.Z7 - Other mature T/NK-cell lymphomas, spleen
      • C84.Z8 - Other mature T/NK-cell lymphomas, lymph nodes of multiple sites
      • C84.Z9 - Other mature T/NK-cell lymphomas, extranodal and solid organ sites
      • C84.ZA - Other mature T/NK-cell lymphomas, in remission
    • C84.9 - Mature T/NK-cell lymphomas, unspecified
      • C84.90 - Mature T/NK-cell lymphomas, unspecified, unspecified site
      • C84.91 - Mature T/NK-cell lymphomas, unspecified, lymph nodes of head, face, and neck
      • C84.92 - Mature T/NK-cell lymphomas, unspecified, intrathoracic lymph nodes
      • C84.93 - Mature T/NK-cell lymphomas, unspecified, intra-abdominal lymph nodes
      • C84.94 - Mature T/NK-cell lymphomas, unspecified, lymph nodes of axilla and upper limb
      • C84.95 - Mature T/NK-cell lymphomas, unspecified, lymph nodes of inguinal region and lower limb
      • C84.96 - Mature T/NK-cell lymphomas, unspecified, intrapelvic lymph nodes
      • C84.97 - Mature T/NK-cell lymphomas, unspecified, spleen
      • C84.98 - Mature T/NK-cell lymphomas, unspecified, lymph nodes of multiple sites
      • C84.99 - Mature T/NK-cell lymphomas, unspecified, extranodal and solid organ sites
      • C84.9A - Mature T/NK-cell lymphomas, unspecified, in remission

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.