ICD-10-CM > C00-D49 > C81-C96 > C90 > C90.1 C90.1 Plasma cell leukemia Non-Billable/Non-Specific Applicable To Plasmacytic leukemia Codes C90.10Plasma cell leukemia not having achieved remissionC90.11Plasma cell leukemia in remissionC90.12Plasma cell leukemia in relapse