ICD-10-CM › C00-D49 › C81-C96 › C91.Z Other lymphoid leukemia › C91.Z1
Other lymphoid leukemia, in remission
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2010 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2010 Added to the draft code set draft Other lymphoid leukemia, in remission
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from C91 Lymphoid leukemia
Excludes1 - never coded here
- personal history of leukemia (Z85.6)
Inherited from the C81-C96 section Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
Excludes2 - not included here
- Kaposi's sarcoma of lymph nodes (C46.3)
- secondary and unspecified neoplasm of lymph nodes (C77.-)
- secondary neoplasm of bone marrow (C79.52)
- secondary neoplasm of spleen (C78.89)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Cancer > blood
- Infiltrate, infiltration > leukemic
- Infiltrate, infiltration > lymphatic
- Leukemia, leukemic > lymphoid > specified NEC
- Leukemia, leukemic > T-cell large granular lymphocytic
Codes in the same group
| Code | Description | Status |
|---|---|---|
| C91.Z0 | Other lymphoid leukemia not having achieved remission | Valid |
| C91.Z2 | Other lymphoid leukemia, in relapse | Valid |