Integrated Screen, Part 2
Test code
CPT code(s)*
Test resources
Test FAQ
Details
Includes
AFP, Unconjugated Estriol, hCG, Dimeric Inhibin A, PAPP-A (Pregnancy-associated Plasma Protein-A) from Maternal Serum Integrated Screen, Part 1; Interpretation
Methodology
Chemiluminescence (CL) • Immunoassay (IA)
Assay category
PAPP-A: This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Quest Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.
This test code is for non-New York patient testing. For New York patient testing, use test code 16977.
This test is not available for California patient testing.
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 3 mL serum |
| Minimum volume | 1 mL |
| Collection instructions | For manual orders use "Maternal Serum Screen Requisition". The Integrated Screen, Part 2 should be performed 14.0 weeks to 22.9 weeks gestational age. A special maternal serum screen requisition designed to obtain patient data and the patient's informed consent must be utilized when ordering this test. Because these results are influenced by certain patient characteristics, all data requested on the requisition form must be complete: Patient's (maternal) date of birth, estimated date of delivery, weight, race, diabetic status (is patient insulin dependent; prior to pregnancy), number of fetuses, repeat sample and neural tube defect history must be provided for interpretation of results. |
| Transport container | Transport tube |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 14 days Refrigerated: 14 days Frozen: 28 days |
| Reject criteria | Gross hemolysis • Grossly lipemic |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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