ICD-10-CM › C00-D49 › C81-C96 › C94 Other leukemias of specified cell type › C94.6

C94.6

Myelodysplastic disease, not elsewhere classified

ValidICD-10-CM diagnosis code.

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

Valid FY2016 onwards.

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.

  1. FY2010 Added to the draft code set draft Myelodysplastic disease, not classified
  2. FY2023 Description revised Myelodysplastic disease, not classified Myelodysplastic disease, not elsewhere classified

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 C94 Other leukemias of specified cell type

Excludes1 - never coded here

  • leukemic reticuloendotheliosis (C91.4-)
  • myelodysplastic syndromes (D46.-)
  • personal history of leukemia (Z85.6)
  • plasma cell leukemia (C90.1-)

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.

Codes in the same group

CodeDescriptionStatus
C94.0 Acute erythroid leukemia Not billable
C94.2 Acute megakaryoblastic leukemia Not billable
C94.3 Mast cell leukemia Not billable
C94.4 Acute panmyelosis with myelofibrosis Not billable
C94.8 Other specified leukemias Not billable