PROTEIN S ANTIGEN FREE

Synonyms:
Computer Code: (PRTSFR)
Specimen Collection: 2.7 mL blood (blue top citrated tube). Transport to lab within 3 hours.
Minimum Volume: 1.5 mL
Handling Instructions for Offsite Areas: If transport time will exceed four hours, send platelet-poor plasma frozen to -20C or less. To obtain platelet poor plasma, centrifuge and separate palsma into a transport tube.
Reference Values: 55-146%
Lab Code: Diagnostic Hematology
Requisition: SPEC H
Test Frequency: Weekly
Routine TAT: 7 days
Stat TAT: contact lab
CPT Code(s): 85306
LCD or NCD:
Methodology Used:
See Addendum XVII