Updated Test
Effective Date
09/29/2022
Included in Report
Updated Test
If specimen is submitted frozen, please provide hematocrit result. A hematocrit collected within
24 hours of the RBCF collection is acceptable if the patient has not received a transfusion or
experienced excessive bleeding in that 24 hour period.
Please note: Methotrexate and leucovorin may interfere with assay.