Tests:Beta HCG, Blood (POCT): Difference between revisions
Tests:Beta HCG, Blood (POCT)
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|'''Preferred''' | |'''Preferred''' | ||
| | |Lithium Heparin Tube (Green Top) | ||
|- | |- | ||
|'''Acceptable''' | |'''Acceptable''' | ||
| | |Heparinised Blood Gas Syringe | ||
|- | |- | ||
|'''Unacceptable''' | |'''Unacceptable''' | ||
|Grossly haemolysed samples are unacceptable | |Grossly haemolysed samples are unacceptable | ||
Any green paediatric bullets containing gel with a clot | |||
Any Blood Gas sample with a clot | |||
Any sample containing a clot is unacceptable | |||
|- | |- | ||
|'''Minimum Volume''' | |'''Minimum Volume''' | ||
| | |3ml Green Top | ||
|- | |- | ||
|'''Specimen Collection and Transportation''' | |'''Specimen Collection and Transportation''' | ||
Revision as of 14:55, 24 December 2025
Overview | |
|---|---|
| Department | Point of Care Testing (POCT) |
| Test Code | N/A |
| Synonyms | Pregnancy related HCG
HCG - pregnancy test BHCG - pregnancy test Pregnancy test Human chorionic gonadotrophin - pregnancy related |
| Availability | Monday - Sunday at Hawera Hospital, available out of hours for emergencies |
| Turnaround Time | 10 minutes once cartridge is loaded into the i-Stat |
| Stability – Add test | 30 minutes |
Specimen Requirements | |
| Specimen | Venous sample collected into Heparinized |
| Preferred | Lithium Heparin Tube (Green Top) |
| Acceptable | Heparinised Blood Gas Syringe |
| Unacceptable | Grossly haemolysed samples are unacceptable
Any green paediatric bullets containing gel with a clot Any Blood Gas sample with a clot Any sample containing a clot is unacceptable |
| Minimum Volume | 3ml Green Top |
| Specimen Collection and Transportation | |
Test Information | |
| Test Method | i-Stat - Total β-hCG Cartridge |
| Unit of Measurement | IU/L |
| Reference Intervals | Reportable range 5.0 – 2000.0 IU/L
< 5.0 IU/L - Negative > 5.0 - 25.0 IU/L - Equivocal / Indeterminate >25.0 IU/L - Positive |
| Uncertainty of measurement | N/A |
| Additional Information | Provides a quantitative and qualitative determination of β-hCG to aid in the early detection of pregnancy |
Comments | |
| Quick user guides for testing should be available with the meter.
All procedures, worksheets and competency checklist for sign-off are available on the intranet to all Health NZ Staff. This test is covered under the current IANZ Laboratory accreditation. | |
| Owner | Pam Chung (Pchung) |
|---|---|
| Last reviewed | 24.12.2025 |
| Next review | 24.12.2026 (OK) |