Please call Clinical Labs of Hawaii at 808.677.7998 (Option 1) with questions about this test.
Remarks
The decision to perform the 2nd Trimester Screen is based on the results of the 1st Trimester Screen (SEQ1) which must be done prior to SEQ2. Alpha-fetoprotein (AFP), hCG, unconjugated estriol (uE3) and dimeric inhibin-A are measured. Sequential Screen combines these measurements with the NT and PAPP-A from the first trimester to provide a final risk assessment
Patient Preparation
Blood must be drawn between 15 weeks/0 days and 21 weeks/6 days based on ultrasound. Physician must complete the patient history information on the request form.
Specimen Preparation
SST, 2-3 mL serum required. Allow to clot. Centrifuge and separate serum. Avoid hemolysis.
Stability (from collection to initiation)
Stable room temp or refrig 7 days. If sending frozen samples, specimens must be frozen on the day of the draw.
Reported
2-3 days after receipt at Genzyme
Methodology
Not given
Test Site
Genzyme
Reference Interval
See report
CPT Codes
82677;84702;86336;82105
Patient Preparation
Blood must be drawn between 15 weeks/0 days and 21 weeks/6 days based on ultrasound. Physician must complete the patient history information on the request form.
Specimen Preparation
SST, 2-3 mL serum required. Allow to clot. Centrifuge and separate serum. Avoid hemolysis.
Stability (from collection to initiation)
Stable room temp or refrig 7 days. If sending frozen samples, specimens must be frozen on the day of the draw.
CPT Codes
82677;84702;86336;82105
Test Code
SEQ2
Ordering Code
2973
Remarks
The decision to perform the 2nd Trimester Screen is based on the results of the 1st Trimester Screen (SEQ1) which must be done prior to SEQ2. Alpha-fetoprotein (AFP), hCG, unconjugated estriol (uE3) and dimeric inhibin-A are measured. Sequential Screen combines these measurements with the NT and PAPP-A from the first trimester to provide a final risk assessment
Reported
2-3 days after receipt at Genzyme
Methodology
Not given
Reference Interval
See report
Test Site
Genzyme
Summary
Test Code
SEQ2
Ordering Code
2973
Questions?
Please call Clinical Labs of Hawaii at 808.677.7998 (Option 1) with questions about this test.
Remarks
The decision to perform the 2nd Trimester Screen is based on the results of the 1st Trimester Screen (SEQ1) which must be done prior to SEQ2. Alpha-fetoprotein (AFP), hCG, unconjugated estriol (uE3) and dimeric inhibin-A are measured. Sequential Screen combines these measurements with the NT and PAPP-A from the first trimester to provide a final risk assessment
Patient Preparation
Blood must be drawn between 15 weeks/0 days and 21 weeks/6 days based on ultrasound. Physician must complete the patient history information on the request form.
Specimen Preparation
SST, 2-3 mL serum required. Allow to clot. Centrifuge and separate serum. Avoid hemolysis.
Stability (from collection to initiation)
Stable room temp or refrig 7 days. If sending frozen samples, specimens must be frozen on the day of the draw.
Reported
2-3 days after receipt at Genzyme
Methodology
Not given
Test Site
Genzyme
Reference Interval
See report
CPT Codes
82677;84702;86336;82105
Collection
Patient Preparation
Blood must be drawn between 15 weeks/0 days and 21 weeks/6 days based on ultrasound. Physician must complete the patient history information on the request form.
Specimen Preparation
SST, 2-3 mL serum required. Allow to clot. Centrifuge and separate serum. Avoid hemolysis.
Stability (from collection to initiation)
Stable room temp or refrig 7 days. If sending frozen samples, specimens must be frozen on the day of the draw.
Administrative
CPT Codes
82677;84702;86336;82105
Ordering
Test Code
SEQ2
Ordering Code
2973
Remarks
The decision to perform the 2nd Trimester Screen is based on the results of the 1st Trimester Screen (SEQ1) which must be done prior to SEQ2. Alpha-fetoprotein (AFP), hCG, unconjugated estriol (uE3) and dimeric inhibin-A are measured. Sequential Screen combines these measurements with the NT and PAPP-A from the first trimester to provide a final risk assessment
