Lymphoid leukemia C91- >

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as C91. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • personal history of leukemia (
    ICD-10-CM Diagnosis Code Z85.6

    Personal history of leukemia

      2016 2017 2018 2019 Billable/Specific Code POA Exempt
    Applicable To
    • Conditions classifiable to C91-C95
    Type 1 Excludes
    Z85.6
    )
Clinical Information
  • A malignant lymphocytic neoplasm of b-cell or t-cell lineage involving primarily the bone marrow and the peripheral blood. This category includes precursor or acute lymphoblastic leukemias and chronic leukemias.
  • A progressive, proliferative disease of blood cells, originating from lymphoid cells.
  • A type of cancer in which the bone marrow makes too many lymphocytes (white blood cells).
  • Leukemia associated with hyperplasia and overactivity of the lymphoid tissue; there are increased numbers of circulating malignant lymphocytes and lymphoblasts.
  • Leukemia associated with hyperplasia of the lymphoid tissues and increased numbers of circulating malignant lymphocytes and lymphoblasts.
Codes
  • C91 Lymphoid leukemia
    • C91.0 Acute lymphoblastic leukemia [ALL]
      • C91.00 Acute lymphoblastic leukemia not having achieved remission
      • C91.01 Acute lymphoblastic leukemia, in remission
      • C91.02 Acute lymphoblastic leukemia, in relapse
    • C91.1 Chronic lymphocytic leukemia of B-cell type
      • C91.10 …… not having achieved remission
      • C91.11 …… in remission
      • C91.12 …… in relapse
    • C91.3 Prolymphocytic leukemia of B-cell type
      • C91.30 …… not having achieved remission
      • C91.31 …… in remission
      • C91.32 …… in relapse
    • C91.4 Hairy cell leukemia
      • C91.40 …… not having achieved remission
      • C91.41 …… in remission
      • C91.42 …… in relapse
    • C91.5 Adult T-cell lymphoma/leukemia (HTLV-1-associated)
      • C91.50 …… not having achieved remission
      • C91.51 …… in remission
      • C91.52 …… in relapse
    • C91.6 Prolymphocytic leukemia of T-cell type
      • C91.60 …… not having achieved remission
      • C91.61 …… in remission
      • C91.62 …… in relapse
    • C91.A Mature B-cell leukemia Burkitt-type
      • C91.A0 …… not having achieved remission
      • C91.A1 …… in remission
      • C91.A2 …… in relapse
    • C91.Z Other lymphoid leukemia
      • C91.Z0 …… not having achieved remission
      • C91.Z1 …… in remission
      • C91.Z2 …… in relapse
    • C91.9 Lymphoid leukemia, unspecified
      • C91.90 …… not having achieved remission
      • C91.91 …… in remission
      • C91.92 …… in relapse