ICD-10-CM C93 is the diagnosis code for Monocytic leukemia. This code falls under the section "Malignant neoplasms of lymphoid, hematopoietic and related tissue" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as C93. They are mutually exclusive:
Understanding where C93 sits in the ICD-10-CM classification helps ensure proper coding:
No, C93 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
C93 is the ICD-10-CM diagnosis code for "Monocytic leukemia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
C93 is located in Section C81-C96 — "Malignant neoplasms of lymphoid, hematopoietic and related tissue" within Chapter 2 of the ICD-10-CM Tabular List.
C93 has 5 sub-code(s) that provide more specific detail: C93.0, C93.1, C93.3, C93.9, C93.Z.
Use C93 when the patients documented diagnosis matches "Monocytic leukemia" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Monocytic leukemia is C93.
No, C93 is non-billable. Use a more specific sub-code for primary diagnosis billing.
C93 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for C93 include: personal history of leukemia (Z85.6).
Yes, C93 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.