Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C91.12|

    Chronic lymphocytic leukemia of B-cell type in relapse

  • C91.3|

    Prolymphocytic leukemia of B-cell type

  • C91.30|

    Prolymphocytic leukemia of B-cell type not having achieved remission

  • C91.31|

    Prolymphocytic leukemia of B-cell type, in remission

  • C91.32|

    Prolymphocytic leukemia of B-cell type, in relapse

  • C91.4|

    Hairy cell leukemia

  • C91.40|

    Hairy cell leukemia not having achieved remission

  • C91.41|

    Hairy cell leukemia, in remission

  • 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

  • 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

  • C91.9|

    Lymphoid leukemia, unspecified

  • C91.90|

    Lymphoid leukemia, unspecified not having achieved remission

  • C91.91|

    Lymphoid leukemia, unspecified, in remission

  • C91.92|

    Lymphoid leukemia, unspecified, in relapse

  • C91.A|

    Mature B-cell leukemia Burkitt-type

  • C91.A0|

    Mature B-cell leukemia Burkitt-type not having achieved remission

  • C91.A1|

    Mature B-cell leukemia Burkitt-type, in remission

  • C91.A2|

    Mature B-cell leukemia Burkitt-type, in relapse

  • C91.Z|

    Other lymphoid leukemia

  • C91.Z0|

    Other lymphoid leukemia not having achieved remission

  • C91.Z1|

    Other lymphoid leukemia, in remission

  • C91.Z2|

    Other lymphoid leukemia, in relapse

  • C92|

    Myeloid leukemia

  • C92.0|

    Acute myeloblastic leukemia

  • C92.00|

    Acute myeloblastic leukemia, not having achieved remission

  • C92.01|

    Acute myeloblastic leukemia, in remission

  • C92.02|

    Acute myeloblastic leukemia, in relapse

  • C92.1|

    Chronic myeloid leukemia, BCR/ABL-positive

  • C92.10|

    Chronic myeloid leukemia, BCR/ABL-positive, not having achieved remission

  • C92.11|

    Chronic myeloid leukemia, BCR/ABL-positive, in remission

  • C92.12|

    Chronic myeloid leukemia, BCR/ABL-positive, in relapse

  • C92.2|

    Atypical chronic myeloid leukemia, BCR/ABL-negative

  • C92.20|

    Atypical chronic myeloid leukemia, BCR/ABL-negative, not having achieved remission

  • C92.21|

    Atypical chronic myeloid leukemia, BCR/ABL-negative, in remission

  • C92.22|

    Atypical chronic myeloid leukemia, BCR/ABL-negative, in relapse

  • C92.3|

    Myeloid sarcoma

  • C92.30|

    Myeloid sarcoma, not having achieved remission

  • C92.31|

    Myeloid sarcoma, in remission

  • C92.32|

    Myeloid sarcoma, in relapse

  • C92.4|

    Acute promyelocytic leukemia

  • C92.40|

    Acute promyelocytic leukemia, not having achieved remission

  • C92.41|

    Acute promyelocytic leukemia, in remission

  • C92.42|

    Acute promyelocytic leukemia, in relapse

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