C84.41
BillablePeripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neck
HCC Category Mapping
V28HCC 19 — Lymphoma and Other Cancers
0.105V24HCC 10 — Lymphoma and Other Cancers
0.675ESRDHCC 10 — Lymphoma and Other Cancers
0.000RxHCCHCC 21 — Hodgkin Lymphoma and Other Cancers
0.000What This Code Means
A type of T-cell lymphoma affecting the lymph nodes in the head, face, and neck region.
Coding Tips
- •Confirm documentation specifies involvement of head, face, or neck lymph nodes
- •This code is site-specific; do not use if involvement is in other lymph node regions
Clinical Significance
Peripheral T-cell lymphoma, not elsewhere classified, involving lymph nodes of the head, face, and neck indicates this aggressive T-cell malignancy has been localized to cervical, preauricular, or other head/neck lymph nodes. Site-specific coding supports accurate staging and treatment planning. Head and neck presentations may be detected earlier due to visible or palpable lymphadenopathy, potentially allowing for earlier intervention.
Documentation Requirements
- ✓Pathology confirming peripheral T-cell lymphoma with T-cell markers on immunohistochemistry
- ✓Documentation confirming head, face, or neck lymph node involvement
- ✓Imaging (CT or PET/CT) of the head and neck region
- ✓Staging documentation
- ✓Treatment plan — systemic therapy typically required even for localized disease
Commonly Confused Codes
C84.01 — Mycosis fungoides, head/face/neck: Cutaneous T-cell lymphoma distinct from peripheral T-cell lymphomaC84.11 — Sezary disease, head/face/neck: Leukemic cutaneous T-cell lymphoma, different entityC83.91 — Non-follicular lymphoma, unspecified, head/face/neck: B-cell or unspecified lineage; verify T-cell markersC84.40 — Peripheral T-cell lymphoma, unspecified site: Use C84.41 when head/face/neck involvement is confirmed
Code Hierarchy
└C84Mature T/NK-cell lymphomas└C84.4Peripheral T-cell lymphoma, not elsewhere classified└C84.41Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neck
└C84.41Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neck