A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Stepwise, Part 2 (NY)
Test Code16466
CPT Codes
81511<br><strong>This test code is for New York patient testing. For non-New York patient testing, use test code 16465.</strong>
Includes
AFP, Unconjugated Estriol, hCG, Dimeric Inhibin A, *PAPP-A and hCG from Stepwise, Part 1; Interpretation
Preferred Specimen
3 mL serum
Minimum Volume
1 mL
Instructions
Collect between 14.0 weeks to 22 6/7 weeks.
Mother's date of birth (mm/dd/yy), Estimated Date of Delivery by US/LMP/PE, weight, race, insulin-dependent diabetes status, repeat sample (Y/N), number of fetuses, and neural tube defect history must be provided for interpretation of results.
Must complete all patient demographic information using the appropriate questions from the entry fields in the regular requisition.
Mother's date of birth (mm/dd/yy), Estimated Date of Delivery by US/LMP/PE, weight, race, insulin-dependent diabetes status, repeat sample (Y/N), number of fetuses, and neural tube defect history must be provided for interpretation of results.
Must complete all patient demographic information using the appropriate questions from the entry fields in the regular requisition.
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 28 days
Refrigerated: 14 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic
Methodology
Chemiluminescence (CL) • Immunoassay (IA)
FDA Status
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.
Setup Schedule
Set up: Mon-Sat; Report available: 4-6 days
Reference Range
MSS Down Syndrome Risk | <1:270 |
Risk for Trisomy 18 | <1:100 |
AFP MoM | <2.50 |
IDD | <1.90 |
TWINS | <4.00 |
TWINS IDD | <3.50 |
TRIPLETS | <4.50 |
Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
33608 Ortega Highway |
San Juan Capistrano, CA 92675-2042 |