41968:SEQUENTIAL INTEGRATED SCREEN, 2ND TRIMESTER

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41968:SEQUENTIAL INTEGRATED SCREEN, 2ND TRIMESTER
Methodology: Enzyme-Linked Immunosorbent Assay (ELISA) / Chemiluminescent Immunoassay (CLIA)
Edit Date: 4/6/2009
Components: Alpha Fetoprotein (AFP) / /Human Chorionic Gonadotropin (hCG) / Inhibin A / Unconjugated Estriol (uE3) / Risk for Down Syndrome and Neural Tube Defect / Trisomy 18 / Calculation of AFP, MoM, hCG MoM, uE3 MoM, Inhibin A MoM / Interpretations
Performed: Monday-Friday
Released: 48-72 hours of receipt
CPT Code: 82105 / 82677 / 84702 / 86336
Specimen Collection Details
Collection: These requirements are for the second trimester draw for the Sequential Integrated Screen and can be performed only on individuals between 15 weeks, 0 days and 21 weeks, 6 days gestation, and who have had the Sequential Integrated Screen, 1st Trimester (41990). Order on a PeaceHealth Laboratories Obstetric requisition or electronically, and include any change from 1st Trimester test in patient’s weight or number of fetuses. Collect one 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube.
Handling: Allow to clot, centrifuge and separate serum from cells immediately.
Stability: 7 days refrigerated at 2-8° C, or frozen at -2-8° C.
Standard Volume: 3 mL serum
Minimum Volume: 1.5 mL serum
Transport: Refrigerated, or frozen on dry ice.
Rejection Criteria: Gross hemolysis or lipemia.

PeaceHealth Laboratories