C91.6 Prolymphocytic leukemia of T-cell type

Non-billable header with 3 child codes.

Applies from C91 Lymphoid leukemia

Excludes1 (never code together)

• personal history of leukemia (Z85.6)

Codes under C91.6

• C91.60 Prolymphocytic leukemia of T-cell type not having achieved remission
• C91.61 Prolymphocytic leukemia of T-cell type, in remission
• C91.62 Prolymphocytic leukemia of T-cell type, in relapse

Code annotations containing back-references to C91.6

Back-references to C91

• Type 1 Excludes: C76 Malignant neoplasm of other and ill-defined sites ("malignant neoplasm of lymphoid, hematopoietic and related tissue (C81-C96)")
• Type 1 Excludes: D72.8 Other specified disorders of white blood cells ("leukemia (C91-C95)")
• Type 1 Excludes: D72.825 Bandemia ("leukemia (C91.-, C92.-, C93.-, C94.-, C95.-)")
• Code First: M36.1 Arthropathy in neoplastic disease ("leukemia (C91-C95)")
• Code First: N16 Renal tubulo-interstitial disorders in diseases classified elsewhere ("leukemia (C91-C95)")
• Code First: R50.81 Fever presenting with conditions classified elsewhere ("leukemia (C91-C95)")
• Type 1 Excludes: T66 Radiation sickness, unspecified ("leukemia (C91-C95)")
• Code First: Z15.0 Genetic susceptibility to malignant neoplasm (", if applicable, any current malignant neoplasm (C00-C75, C81-C96)")

Diagnosis Index entries for C91.6

• Leukemia, leukemic › prolymphocytic › of T-cell type

Nearby codes

• C91.42 Hairy cell leukemia, in relapse
• C91.5 Adult T-cell lymphoma/leukemia (HTLV-1-associated)
• C91.50 Adult T-cell lymphoma/leukemia (HTLV-1-associated) not having achieved remission
• C91.51 Adult T-cell lymphoma/leukemia (HTLV-1-associated), in remission
• C91.52 Adult T-cell lymphoma/leukemia (HTLV-1-associated), in relapse
• C91.6 Prolymphocytic leukemia of T-cell type (this code)
• C91.60 Prolymphocytic leukemia of T-cell type not having achieved remission
• C91.61 Prolymphocytic leukemia of T-cell type, in remission
• C91.62 Prolymphocytic leukemia of T-cell type, in relapse
• C91.A Mature B-cell leukemia Burkitt-type
• C91.A0 Mature B-cell leukemia Burkitt-type not having achieved remission