Laboratory Test Detail

Last Updated: January 17, 2019 @ 10:13 am

93638

Maternal Screen #1

Specimen:Collect:
  • One SST

Also Acceptable:
  • One Red Top
Submit:
  • 0.5 mL (Min:0.3 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling:
  • Specimen must be drawn between 10 weeks, 0 days and 13 weeks, 6 days gestation (Crown-Rump length (CRL) must be 32.4-83.9 mm).
    Requires complete gestational information including CRL.
    This test also requires the following information: Patient's date of birth, current weight, number of fetuses present, patient's race, if the patient was diabetic at the time of conception, if there is a known family history of neural tube defects, if the patient has had a previous pregnancy with a trisomy, if the patient is currently smoking, if the patient is taking valproic acid or
    carbamazepine (Tegretol), if this is a repeat sample, and the age of the egg donor if in vitro fertilization.
Rejection Criteria:
  • Hemolyzed specimens
  • Plasma
  • Specimens exposed to repeat freeze/thaw cycles
Stability:Ambient: 3 Day(s); Refrigerated: 2 Week(s); Frozen: 3 Month(s); Incubated: Unacceptable
Methodology:
  • Quantitative Chemiluminescent Immunoassay
Performed:Sun-Sat
Reported:3-5 Day(s)
Final interpretative report available when second specimen testing is complete.
CPT Codes:
  • 84163
Interpretive Data:Please see report for interpretive data.
Components:
  • 93963 - Patients PAPP-A
  • 93961 - Nuchal Trans (NT)
  • 93240 - Interpretation
  • 93248 - Maternal Age
  • 93238 - Maternal Weight
  • 93202 - Est. Due Date
  • 93252 - Gestational Age
  • 93246 - Number of Fetuses
  • 93245 - Maternal Race
  • 91593 - Hx of Aneuploidy
  • 93962 - Crown Rump Length
  • 93965 - Sonographer Cert
  • 93966 - Sonographer Name
  • 93967 - Ultrasound Date
  • 93969 - Date for Sample 2
  • 93970 - EER Maternal Scrn
  • 92053 - NUCHAL TWIN B
  • 93242 - DATING
  • 92052 - SMOKING
  • 93241 - SPECIMEN
  • 92054 - Crown Rump Twin B
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