Test ID: Q0216
CPT code: 83051
LOINC: 721-1
Specimen Type: PST lithium heparin
Frequency: Mon – Fri; analytic time 2 days
Instructions: Separate plasma from cells immediately and aliquot >2.5mL plasma. Spin aliquot again and aliquot 2mL (0.5mL min) plasma. Freeze.
Text: Useful for determining whether hemolysis is occurring such as from transfusion reaction and mechanical fragmentation of red blood cells.
Methodology: Spectrophotometry