Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM C84.9 — Mature T/NK-cell lymphomas, uns… | Codelle

ICD-10-CM/C84/C84.9

C84.9

ICD-10-CM

Mature T/NK-cell lymphomas, unspecified

Clinical Notes

Inclusion Terms

NK/T cell lymphoma NOS

Excludes 1 — Not coded here

mature T-cell lymphoma, not elsewhere classified (C84.4-)

Code Hierarchy

▲C84Mature T/NK-cell lymphomas

C84.9(current)

Subcodes (11)

C84.90Mature T/NK-cell lymphomas, unspecified, unspecified site

C84.91Mature T/NK-cell lymph, unsp, nodes of head, face, and neck

C84.92Mature T/NK-cell lymphomas, unsp, intrathoracic lymph nodes

C84.93Mature T/NK-cell lymphomas, unsp, intra-abd lymph nodes

C84.94Mature T/NK-cell lymph, unsp, nodes of axilla and upper limb

C84.95Mature T/NK-cell lymph, unsp, nodes of ing rgn and low limb

C84.96Mature T/NK-cell lymphomas, unsp, intrapelvic lymph nodes

C84.97Mature T/NK-cell lymphomas, unspecified, spleen

C84.98Mature T/NK-cell lymphomas, unsp, lymph nodes mult site

C84.99Mature T/NK-cell lymph, unsp, extrnod and solid organ sites

C84.9AMature T/NK-cell lymphomas, unspecified, in remission

Same Category

C84Mature T/NK-cell lymphomas C84.0Mycosis fungoides 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

+5 more in this category