ICD-10-CM Codes
C00-D49
C81-C96
Lymphoid leukemia C91

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
Applicable To
- Conditions classifiable to C91-C95
Type 1 Excludes
- leukemia in remission C91.0-C95.9 with 5th character 1
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

Lymphoid leukemia C91-

Personal history of leukemia