Specimen Collection Requirements
Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red or 3.0 mL mint green (lithium heparin, PST) top tube, also acceptable: Urine, 24 hour collection in a sterile container
Allow serum to clot completely at room temperature (minimum: 30 minutes). Centrifuge and separate serum or plasma from cells ASAP.
Grossly hemolyzed or frozen specimens
SERUM OR PLASMA AFTER SEPARATION FROM CELLS: Ambient (20-25°C): 7 days; Refrigerated (2-8°C): 1 month; Frozen (at or below -20°C): Unacceptable. URINE: Ambient (20-25°C): 1 day; Refrigerated (2-8°C): 1 week; Frozen (at or below -20°C): Unacceptable
Samaritan Health Services Laboratories
Serum: 28-100 U/L
Urine: 5-27 U/hour
Age adjusted ranges.
Thursday, January 5, 2017 03:41:57 AM