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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: HCG, Qualitative (Pregnancy), Urine

Test Code(s): PREG / UPREG

CPT Code(s): 81025

Methodology: Immunoenzymetric Assay

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: 1 hour.
Routine: 4 hours.


Specimen Requirements

Specimen: Random urine

Collection Instructions: Collect urine into a clean, dry container.

Collection Container: Preferred: Sterile screw cap container

Collection Volume: Preferred: 5 mL
Pediatrics: 1 mL

Sample Analyzed: Urine aliquot

Volume Required: Preferred: 1 mL
Pediatrics: 0.5 mL

Specimen Transport: Transport specimen to the laboratory. Transport with coolant pack if coming from outreach location.

Stability: Ambient: 8 hours
Refrigerated: 3 days
Frozen: Not acceptable


Interpretation

Reported as either Negative or Positive.

Test Limitations:

The kit detects concentrations of 20 mIU hCG/mL or greater.

Additional Information:

A test result that is positive should be interpreted in conjunction with other clinical and laboratory data. While pregnancy is the most likely reason for the presence of hCG in urine, other clinical conditions that produce hCG include menopause, ectopic pregnancies, subclinical abortions, gestational trophoblastic disease and malignancies which produce hCG ectopically. 

hCG
PREGNANCY

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