Tests
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Quad Screen, AFP
| Test Name: | Quad Screen, AFP | ||
| Epic Order Code: | LAB560 | ||
| CPT Code: | 81511 | ||
| Specimen(s) Type: | Serum, 1.0 mL | ||
| Acceptable Container(s): |   Tube tops are gold and red. | ||
| Testing Schedule: | Monday-Saturday | ||
| Turn Around Time: | STAT: NA | ||
| Routine: 2-4 days | |||
| Collection Information: | Do not draw specimen after amniocentesis, as this could affect results. No special patient preparation is required. Obtain by standard collection procedures. | ||
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. | ||
| Reference Clients: | If unable to deliver to the lab within 30 minutes, centrifuge the specimen and remove serum from the red cells. Store and transport at 2-8° C within 5 days. If longer storage is required, store and transport at -20° C within 60 days. | ||
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient volume, incorrect/delay in transport. | ||
| Reference Range: | See patient report. | ||
| Additional Information: | For an assessment that includes neural tube defect results, gestational age must be between 15 weeks, 0 days and 22 weeks, 6 days. | ||
| Assessments for Down syndrome and Trisomy 18 only are available between 14 weeks, 0 days and 22 weeks, 6 days. | |||