hCG, Serum/Plasma, Quantitative (Pregnancy Test)


Sunquest Code:HCGQNT  
Epic Code:LAB143Epic Name:HCG Quantitative Pregnancy
Synonyms:Beta-hCG; Chorionic Gonadotropin; Beta HCG; HCGQNT; SPT
Methodology:Chemiluminescence
CPT Code:84702
Turnaround Time:Performed and reported 24 hours/day.


Collection Instructions

Specimen:Blood
Optimal Volume:2.5 mL
Minimum\Peds Volume:0.6 mL
Container:Green (lithium heparin, gel) (Green (lithium heparin) on ICE, Red (no gel), Red or gold (gel))
Contraindications:Large doses of biotin (10 mg or more per day) may cause clinically significant interference in hCG levels. If interference is suspected, it is strongly recommended that biotin is discontinued for at least one week prior to retesting.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1.25 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Chemistry  (University of Minnesota Health Maple Grove Clinics, Fairview Range - FRMC, UMMC-West Bank, UMMC-East Bank, Oxboro Bloom, Fairview Lakes - FLMC, Fairview Ridges - FRH, Fairview Northland - FNMC, Fairview Southdale - FSH, M Health Clinic and Surgery Center, Grand Itasca GICH)


Interpretive

Reference Range:
Adult 0-5 IU/L for healthy non-pregnant person
Neonates Should be within normal ranges by 2 days after birth


GICH:
Expected value for healthy non-pregnant premenopausal woman is < 5 mlU/mL
For Gestational Assessment see table below:
Approx Gestation Age Approx HCG Range
1-2 weeks 50-500 mlu/mL
2-3 weeks 100-5000 mlu/mL
3-4 weeks 500-10000 mlu/mL
4-5 weeks 1000-50000 mlu/mL
5-6 weeks 10000-100000 mlu/mL
6-8 weeks 15000-200000 mlu/mL
8-12 weeks 10000-100000mlu/mL
 
Use:To diagnose pregnancy. The assay measures both intact hCG and free beta subunits.


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