Stepwise, Part 1

Stepwise, Part 1

Test Code

16463
81508
16463
81508
Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

Stepwise, Part 1 - See available Test Resources

Test Details

Includes

  • PAPP-A, hCG

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 16464.
This test is not available for California patient testing.

Reference Range(s)

See Laboratory Report

LOINC® Codes, Performing Laboratory

PAPP-A, hCG

Methodology

Chemiluminescence (CL) • Immunoassay (IA)
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 16464.
This test is not available for California patient testing.

Reference Range(s)

See Laboratory Report

Preferred Specimen(s)

1.5 mL serum

Minimum Volume

0.8 mL

Transport Container

Transport tube

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

  • Room temperature: 14 days
  • Refrigerated: 14 days
  • Frozen: 28 days

Reject Criteria

Gross hemolysis

Setup Schedule

1.5 mL serum
0.8 mL
Transport tube
Refrigerated (cold packs)
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 28 days
Gross hemolysis
Ordering Restrictions may apply. Please provide SERVICE AREA INFORMATION to find available tests you can order.
Not offered in Quest Diagnostics Nichols Institute (IFD) – San Juan Capistrano. Please provide SERVICE AREA INFORMATION to find available tests you can order.
In-home collection may be available in your area for purchase through Quest Mobile.
Test Details

Clinical Significance

Test Resources

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.

The tests listed by specialty and category are a select group of tests offered. For a complete list of Quest Diagnostics tests, please adjust the filter options chosen, or refer to our Directory of Services.