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NIPS with Fetal Sex, Twin


TEST DIRECTORY
Test Name
NIPS with Fetal Sex, Twin
Alternate Names
Non-Invasive Prenatal Screening with Fetal Sex
Description
Includes assessment of fetal sex. Intended for twin pregnancies from 10 weeks gestation to term.
Detection of the three most common fetal aneuploidies – Down syndrome (trisomy 21), Edwards syndrome (trisomy 18), and Patau syndrome (trisomy 13).
Test Code
W907
SPECIMEN REQUIREMENTS
Specimen Requirements
Minimum of 10 mL whole blood
Supplies for Submission
Streck cell-free DNA collection tube
Specimen Collection
Fill cfDNA tubes to capacity and invert 8-10 times to mix.
Storage Requirements
Refrigerated.
Specimens are stable if refrigerated for 5 days.
Causes for Rejections
Specimens with the following conditions are not accepted:
  • submitted in tubes other than Streck cell-free DNA collection tubes
  • frozen
    GENERAL AND TECHNICAL INFORMATION
    Turn Around Time
    8-10 days
    CPT Code
    81420