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Pregnancy Test, Serum
MessageTest performed at York Hospital Laboratory.
Test Code
SPREG
CPT Codes
84703
Preferred Specimen
0.5 mL serum collected in a serum separator tube (SST)
Other Acceptable Specimens
0.5 mL serum collected in a no additive (red-top) tube, transferred to a plastic screw-cap vial
Transport Temperature
Refrigerated
Specimen Stability
Room temperature: 4 hours
Refrigerated: 48 hours
Frozen: 4 weeks
Refrigerated: 48 hours
Frozen: 4 weeks
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly hemolyzed specimens
Methodology
Immunochromatographic Assay
Setup Schedule
Daily
Report Available
Next Day Available STAT 1/2 Hour
Reference Range
Negative
Sensitivity: 10 mIU/mL
Sensitivity: 10 mIU/mL
Clinical Significance
This test should be used only to determine pregnancy.