Total β-Human Chorionic Gonadotropin - Total B-hCG - Urine Pregnancy Test
This test is meant to “Rule-in” pregnancy. For ruling out pregnancy, a quantitative hCG in serum or plasma
(HCGQ) is recommended.
Specimen Collection Requirements
Urine, sterile glass or plastic cup. Any urine specimen can be used, but a first voided morning specimen is preferred.
Turbid urine specimens should be centrifuged before testing. If particulate matter is present, centrifuge before testing. If urine was frozen, specimen must be completely thawed, thoroughly mixed, and brought to room temperature for at least 30 minutes before testing.
Urine containing excessive bacterial contamination and/or frozen and thawed more than once.
Room Temperature (18-26°C): 8 hours; Refrigerated (2-8°C): 48 hours; Frozen (≤ -20°C): 2 months
Testing Information
Reference Values
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hCG
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Interpretation
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<20 mIU/mL
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An hCG result of <20 mIU/mL in urine does NOT rule out pregnancy. A patient can still have hCG in the urine and give a <20 mIU/mL result if she has recently become pregnant. Interpret result with caution. If there is any question, order a quantitative hCG in serum or plasma (HCGQ).
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Positive
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A result of ≥20 mIU/mL in urine is considered positive for hCG.
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Last Updated:
Saturday, January 30, 2021 01:45:11 AM
Client Services: 503-413-1234