Test Details

• Discipline:

  Biochemistry

  Biochemistry

• Specimen Container Adult:

  Plain universal container (random urine sample)

  Plain universal container (random urine sample)

• Specimen Container Paediatric:

  Plain universal container (random urine sample)

  Plain universal container (random urine sample)

• Minimum Volume Adult:

  1 mL aliquot

  1 mL aliquot

• Minimum Volume Paediatric:

  1 mL aliquot

  1 mL aliquot

• Special Requirement:

  First morning urine is the preferred specimen

  First morning urine is the preferred specimen

• Sample Stability:

  at +2° to +8°C 48 hours
  at -20°C 3 months

  at +2° to +8°C 48 hours
  at -20°C 3 months

• Interpretation:

  hCG can be detected in urine at concentrations of 25 mIU/mL or greater

  hCG can be detected in urine at concentrations of 25 mIU/mL or greater

• Reference Ranges:

  Detection limit 25 IU/L (HCG)
  Weak positives should be resampled and retested after 48h

  Detection limit 25 IU/L (HCG)
  Weak positives should be resampled and retested after 48h

• Factors Affecting Result:

  Drugs containing hCG may interfere and produce misleading results.
  False positive pregnancy tests have been observed in patients with enterocystoplasties. Confirmation of the result must be made wit...

  Drugs containing hCG may interfere and produce misleading results.
  False positive pregnancy tests have been observed in patients with enterocystoplasties. Confirmation of the result must be made with a serum hCG analysis.
  Inconsistent results may be found in urine samples containing excessive amounts of bacteria.

  Read More

• Routine Contact Name:

  Duty Biochemist

• Routine Telephone:

  Freeman: 0191 244 8889
  RVI: 0191 282 9719

  Freeman: 0191 244 8889
  RVI: 0191 282 9719

• Routine Email:

  nuth.dutybiochemist@nhs.net