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 |
| 2 - 3 weeks | 100 - 5000 |
| 3 - 4 weeks | 500 - 10000 |
| 4 - 5 weeks | 1000 - 50000 |
| 5 - 6 weeks | 10000 - 100000 |
| 6 - 8 weeks | 15000 - 200000 |
| 8 - 12 weeks | 10000 - 100000 |
| Normal Range (Non-pregnancy) | <5 |
Reportable Units
mIU/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 | Siemens Atellica - Immunoassay |
CPT Codes
84702