C91.42

Approximate Synonyms

• Hairy cell leukemia in relapse

• Leukemia, hairy cell, in relapse

Details

• C91.42 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM C91.42 became effective on October 1, 2022.

• This is the American ICD-10-CM version of C91.42 – other international versions of ICD-10 C91.42 may differ.