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HomeICD-10 CodesC91
ICD-10-CM
Billable

C91

Classification
Category:
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Coding Guidance
Coding Guidance C91 should not be used for reimbursement purposes as there are more specific codes below it that contain a greater level of detail. See Related Codes to drill down to more specific billable codes for appropriate reimbursement.
Excludes 1
From
  • personal history of leukemia ( Z85.6 )

More Specific Codes

C91.0
Acute lymphoblastic leukemia [ALL] C91.0
C91.1
Chronic lymphocytic leukemia of B-cell type C91.1
C91.3
Prolymphocytic leukemia of B-cell type C91.3
C91.4
Hairy cell leukemia C91.4
C91.5
Adult T-cell lymphoma/leukemia (HTLV-1-associated) C91.5
C91.6
Prolymphocytic leukemia of T-cell type C91.6
C91.A
Mature B-cell leukemia Burkitt-type C91.A
C91.Z
Other lymphoid leukemia C91.Z
C91.9
Lymphoid leukemia, unspecified C91.9
C00-D49
C00-D49 - Neoplasms

External Resources

2025 ICD-10 guidelines from CMS.gov