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2. ICD-10 Codes
3. Chapter - C00-D49
4. Section - C81-C96
5. Category - C91
6. C91.9

C91.9 - Lymphoid leukemia, unspecified

• Applicable to Lymphoid leukemia, unspecified
• The 2025 edition of ICD10-CM C91.9 became effective on October 1, 2024.
• This is the American ICD10-CM version of C91.9 - other international versions of ICD10 C91.9 may differ.
• C91.9 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• C91.9 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

The following codes above C91.9 contain annotation back-references that may be applicable to C91.9:

• Chapter: C00-D49 - Neoplasms
• Section: C81-C96 - Malignant neoplasms of lymphoid, hematopoietic and related tissue
• Category: C91 - Lymphoid leukemia

Browse other similar CM codes:

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