Child codes

• 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

Sibling codes

• C84.0 – Mycosis fungoides
• C84.1 – Sézary disease
• C84.6 – Anaplastic large cell lymphoma, ALK-positive
• C84.7 – Anaplastic large cell lymphoma, ALK-negative
• C84.A – Cutaneous T-cell lymphoma, unspecified
• C84.Z – Other mature T/NK-cell lymphomas
• C84.9 – Mature T/NK-cell lymphomas, unspecified

Inclusion terms

• Lennert's lymphoma
• Lymphoepithelioid lymphoma
• Mature T-cell lymphoma, not elsewhere classified

Inherited from C84: Mature T/NK-cell lymphomas