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HelpTest Code HCGU hCG (qualitative), urine
Laboratory Code
LAB437
Specimen Requirements
Specimen Type: Urine
Container/Tube: Urine cup
Volume: 100.0 mL
Minimum Volume: 30.0 mL
Collection Instructions: Collect first-morning (preferred) urine as it contains the highest concentration of beta-hCG.
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | 2 hours |
| Refrigerate | 72 hours |
| Frozen | Not available |
Methodology
Immunochromatography
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Reference Interval
Interpretation of urine hCG result should take into consideration potential false negatives in:
(a) patients > 5 weeks or < 12 days pregnant
(b) ectopic and molar pregnancy
(c) diluted urine
And false positives in:
(d) urinary tract infection and/or haematuria
(e) patients treated with antibody therapy
(f) nephrotic syndrome
(g) urine admixed with cleaning solutions/detergents
In these cases, a serum beta-HCG is recommended.
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Early detection of pregnancy.
Service Code
31509
LOINC Code Information
80384-1
Alias
Beta-HCG (Human Chorionic Gonadotropin)
Total Chorionic Gonadotropin
Pregnancy Test
Update
Last updated 11/03/2025