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Test Code HCG Quant Beta hCG Quantitative

Aliases

hCG Quantitative, Pregnancy Test Serum Quant

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

1 mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST

  • Red Top

Plasma:
  • Light Geen Top (Lithium heparin)
  • Purple or Pink Top(K2/K3 EDTA)

Reference or Target Ranges

Gestational Age Reference Range
3 weeks 5.8 – 71.2 U/mL
4 weeks 9.5 – 750 U/mL
5 weeks 217 – 7138 U/mL
6 weeks 158 – 31795 U/mL
7 weeks 3697 – 163563 U/mL
8 weeks 32065 – 149571 U/mL
9 weeks 63803 – 151410 U/mL
10 weeks 46509 – 186977 U/mL
12 weeks 27832 – 210612 U/mL
14 weeks 13950 – 62530 U/mL
15 weeks 12039 – 70971 U/mL
16 weeks 9040 – 56451 U/mL
17 weeks 8175 – 55868 U/mL
18 weeks 8099 – 58176 U/mL

Reportable Units

U/mL

Critical Value

Not defined for this assay

Reasons for Rejection



<!-- Rejection-->
Hemolysis Threshold
 500 mg/dL
Icterus Threshold
 40 mg/dL
Lipemia Threshold
 3000 mg/dL
Other
 QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability



<!-- Stability -->
Ambient
 8 hours
Refrigerated (4°C to 8°C)
 3 days
Frozen(-40°C to 0°C)
 12 months

Performance Information



<!-- Performance information -->
Days and Time Performed
 24/7
Expected Turn Around Time
 Stat: 1 hour
Routine: 4 hours
Stat Availability
 Yes
Performing Bench
 UH Chemistry
Methodology/Method Description
 Roche Cobas- Immunoturbidimetric assay

CPT Codes

84702