Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  


Sunquest Test Code:
FTS      Geisinger Epic Procedure Code: FTS         Geisinger Epic ID: 41126

Specimen type:
Preferred collection container:
Alternate Collection Container:
Gold-top (serum separator) microcollection tube
6 mL red-top (plain, non-serum separator) tube
Specimen required:
1.5 mL aliquot of frozen serum; minimum 0.8 mL. Please submit a separate frozen aliquot for this test. It may not be combined with any other test requiring a frozen aliquot.
Special notes:
Avoid hemolysis. Maternal Serum Screen Information Form must be fully completed by referring physician. Download form.
Patient preparation:
Patient must be 10 weeks to 13 weeks, 6 days gestation.

Specimen processing instructions:
These specimens must be sent to GMC. GMC will populate batch to Quest. 
Transport temperature:
Specimen stability:
Room temperature: 7 days. Refrigerated: 7 days. Frozen: 45 days.
Rejection criteria:
Specimen will be rejected if stability limit has been exceeded or if specimen is hemolyzed, lipemic or icteric.

CPT code(s):
84163, 84702
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Human chorionic gonadotropin, PAPP-A, and Nuchal Thickness values and multiple of the medians with interpretive report for calculated Trisomy 18 risk and Trisomy 21 risk.
Chemiluminescence Immunoassay
Utrasound, Risk calculation software
FTS, PAPP-A, Maternal Serum Screen, Multiple Marker Screen, Combined Test, Quest test code 16145
Clinical significance:
Screening markers are used to calculate first trimester risks of having a child with Down Syndrome and Trisomy 18. The purpose of this screening is to detect populations at increased risk. It is not intended to provide diagnostic testing results.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Setup Monday-Friday.    
Performed stat? No
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*GMC - Geisinger Medical Center; GWV - Geisinger Wyoming Valley Medical Center; GSACH - Geisinger Shamokin Area Community Hospital; GBH - Geisinger Bloomsburg Hospital;
GCMC - Geisinger Community Medical Center (Scranton); GLH - Geisinger Lewistown Hospital; GHS - Geisinger Holy Spirit; GJSH - Geisinger Jersey Shore Hospital,
GSWB - Geisinger South Wilkes-Barre