Prenatal Quad Screen




Test Mnemonic

QUAD4

CPT Codes

  • 82105 - QTY (1)
  • 84702 - QTY (1)
  • 82677 - QTY (1)
  • 86336 - QTY (1)

LOINC ®

49092-0

Aliases

  • AFP Quad Check
  • AFP4

Includes

  • AFP (maternal)
  • HCG
  • Estriol
  • Inhibin A

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
2 mLSerumSST (Gold) RefrigeratedSubmit a Prenatal screen requisition with specimen. Complete clinical and demographic information is required for reporting. Specimen must be drawn between 15.0 weeks - 21.6 weeks gestation.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mL    Submit a Prenatal screen requisition with specimen. Complete clinical and demographic information is required for reporting. Specimen must be drawn between 15.0 weeks - 21.6 weeks gestation.

Stability

Environmental Condition Description
Ambient1 day
Refrigerated7 days
Frozen14 days

Days Performed

Mon - Fri

Turnaround Time

1 - 3 days

Methodology

Name Description
Chemiluminescence Immunoassay (CLIA) 

Reference Range

AFP (maternal)
Sex Age From Age To Type Range Range Unit
       Screen Negative 

Special Info

Submit a Prenatal screen requisition with specimen. Complete clinical and demographic information is required for reporting. Specimen must be drawn between 15.0 weeks - 21.9 weeks (21 weeks 6 days) gestation.

Clinical Info

Risk assessment for birth defects: open neural tube, fetal Downs Syndrome, and Trisomy 18.