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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: HCG, Qualitative

Test Code(s): SPREG

CPT Code(s): 84703

Methodology: Immunoassay

Clinical Significance: For qualitative detection of Human Chorionic Gonadotropin (hCG) in serum samples.

Days Performed: Daily, 24 hours.

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


Specimen Requirements

Specimen: Blood

Collection Container: Preferred: Red top
Also Acceptable: Red cap with yellow ring (SST)

Collection Volume: Preferred: 4 mL
Pediatrics: 1 mL

Sample Analyzed: Serum

Volume Required: Preferred: 1 mL
Pediatrics: 0.2 mL

Specimen Processing: Centrifuge.  Transfer cell-free serum to clear plastic vial.   Refrigerate.  

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

Stability: Refrigerated: 2 days; freeze if not assayed within 2 days
Frozen: Only one freeze/thaw cycle allowed.


Interpretation

Reported as either Negative or Positive.

Test Limitations:

The kit detects concentrations of 10 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. 

Pregnancy  HCG  Qualitative serum preg HUMAN CHORIONIC GONADOTROPIN

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