Malignant immunoproliferative disease, unspecified not having achieved remission

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2025 onwards.

What has happened to this code

Every change the publisher made, from 2025 to now.

FY2025 Added to the code set Malignant immunoproliferative disease, unspecified not having achieved 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 C88 Malignant immunoproliferative diseases and certain other B-cell lymphomas

Excludes1 - never coded here

B-cell lymphoma, unspecified (C85.1-)
personal history of other malignant neoplasms of lymphoid, hematopoietic and related tissues (Z85.79)

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.

Disease, diseased > immunoproliferative
Neoplasm, neoplastic > immunoproliferative NEC

Codes in the same group

Code	Description	Status
C88.91	Malignant immunoproliferative disease, unspecified, in remission	Valid