ICD-10-CM FY2027 diagnosis code

C91.3: Prolymphocytic leukemia of B-cell type

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

C91.3 groups related diagnoses under prolymphocytic leukemia of b-cell type. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under C91.3

C91.3 questions

Is C91.3 a billable code?

No. C91.3 is a header code that groups 3 more specific codes. Use one of the billable codes listed on this page instead.

What does C91.3 mean?

C91.3 is the ICD-10-CM code for Prolymphocytic leukemia of B-cell type. It is in chapter 2, Neoplasms (C00-D49).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.