Back to Test DirectoryTT25 : Sequential Integrated Screen, Part 2
INFORMATION:
Alternate Name:
SEQ. SCREEN PART 2
Methodology:
Immunoassay
Clinical Utility:
To assess maternal risk for carrying a fetus with Down Syndrome (Trisomy 21), Trisomy 18, or a neural tube defect. These types of tests are standard-of-care in obstetrics.
ORDERING:
Test Code:
TT25-5
Turnaround Time:
9 DAYS
Preferred Specimen:
3 mL SST Tube
Collection:
| Container | Qty | Temp | Stability |
|---|---|---|---|
| SST Tube | 1 | Refrigerate | 14 DAYS |
Collection Instructions:
SST: Fill tube, invert gently 5 times, label with patient name, let stand for minimum of 30 minutes, maximum of 1 hr, spin for 10-15 minutes
Specimen Comment:
This test is not available for NY patients. Collect between 14.0 to 22 6/7 weeks. Maternal 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. Reject criteria: Gross hemolysis, Grossly lipemic
Alternative Specimen:
Aliquot Tube-Serum, Red Top, Aliquot Serum- Red Top
Billing:
CPT Codes:
81511 x 1
CPT Code Disclaimer
CPT codes provided are for informational purposes only. Accuracy of CPT presented should be validated prior to consideration for billing.
CPT coding is the sole responsibility of the billing party. Please direct any questions regarding CPT coding to the payer being billed.
