C91.4

Non-Billable

Hairy cell leukemia

C91.4 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • C91.40Hairy cell leukemia not having achieved remission
  • C91.41Hairy cell leukemia, in remission
  • C91.42Hairy cell leukemia, in relapse
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