2021

  1. ICD-10-CM Codes
    2. ›
  2. C00-D49 Neoplasms
    3. ›
  3. C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
    4. ›
  4. C93- Monocytic leukemia
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code C93

2021 ICD-10-CM Diagnosis Code C93

Monocytic leukemia

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • C93 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM C93 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of C93 - other international versions of ICD-10 C93 may differ.
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 C93. 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

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    Applicable To
    • Conditions classifiable to C91-C95
    Type 1 Excludes
    Z85.6
    )
Includes
Includes Help
"Includes" further defines, or give examples of, the content of the code or category.
  • monocytoid leukemia
The following code(s) above C93 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to C93:
  • C00-D49
    2021 ICD-10-CM Range C00-D49

    Neoplasms

    Note
    • Functional activity
    • All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
    • Morphology [Histology]
    • Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
    • Primary malignant neoplasms overlapping site boundaries
    • A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
    • Malignant neoplasm of ectopic tissue
    • Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
    Neoplasms
  • C81-C96
    2021 ICD-10-CM Range C81-C96

    Malignant neoplasms of lymphoid, hematopoietic and related tissue

    Type 2 Excludes
    • 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)
    Malignant neoplasms of lymphoid, hematopoietic and related tissue
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
Code annotations containing back-references to C93:
  • Type 1 Excludes: D72.825
    ICD-10-CM Diagnosis Code D72.825

    Bandemia

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Bandemia without diagnosis of specific infection
    Type 1 Excludes
ICD-10-CM Codes Adjacent To C93
C92.A1 …… in remission
C92.A2 …… in relapse
C92.Z Other myeloid leukemia
C92.Z0 …… not having achieved remission
C92.Z1 …… in remission
C92.Z2 …… in relapse
C92.9 Myeloid leukemia, unspecified
C92.90 …… not having achieved remission
C92.91 …… in remission
C92.92 …… in relapse
C93 Monocytic leukemia
C93.0 Acute monoblastic/monocytic leukemia
C93.00 …… not having achieved remission
C93.01 …… in remission
C93.02 …… in relapse
C93.1 Chronic myelomonocytic leukemia
C93.10 …… not having achieved remission
C93.11 …… in remission
C93.12 …… in relapse
C93.3 Juvenile myelomonocytic leukemia
C93.30 …… not having achieved remission

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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