ICD-10-CM › C00-D49 › C81-C96 › C93 Monocytic leukemia › C93.9

C93.9

Monocytic leukemia, unspecified

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

  • C93.90 Monocytic leukemia, unspecified, not having achieved remission
  • C93.91 Monocytic leukemia, unspecified in remission
  • C93.92 Monocytic leukemia, unspecified in relapse

What has happened to this code

Every change the publisher made, from 2012 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. FY2012 Added to the draft code set draft Monocytic leukemia, unspecified

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 C93 Monocytic leukemia

Excludes1 - never coded here

  • personal history of leukemia (Z85.6)

Includes

  • monocytoid leukemia

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
C93.0 Acute monoblastic/monocytic leukemia Not billable
C93.1 Chronic myelomonocytic leukemia Not billable
C93.3 Juvenile myelomonocytic leukemia Not billable
C93.Z Other monocytic leukemia Not billable