10ICD Code Hub

C91.3

Header — not billable

Prolymphocytic leukemia of B-cell type

The ICD-10 code for prolymphocytic leukemia of b-cell type is C91.3.

C91.3 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under C91.3

Related codes in this category