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Laboratory Test Detail

Last Updated: April 25, 2024 @ 9:13 am

91281

Maternal AFP [Only]

Specimen:Collect:
  • One SST

Also Acceptable:
  • One Red Top
Submit:
  • 1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling:
  • Avoid Repeated Freeze/Thaw Cycles
  • Specimen must be drawn between 14 weeks, 0 days and 24 weeks, 6 days gestation.
    Special Form - Patient History for Maternal Serum Testing

    The following information is required and must accompany the sample for test Interpretation: Patient's date of birth, current weight, due date, dating method (US, LMP), 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 is currently smoking, if the patient is taking valproic acid or carbamazepine (Tegretol),
    and if this is a repeat sample.
Rejection Criteria:
  • Grossly Hemolyzed Samples
  • Plasma
Stability:Ambient: 3 Day(s); Refrigerated: 2 Week(s); Frozen: 12 Month(s); Incubated: Unacceptable
Methodology:
  • Quantitative Chemiluminescent Immunoassay
Performed:Sun-Sat
Reported:3-4 Day(s)
CPT Codes:
  • 82105
Interpretive Data:Please see report for interpretive data.
Components:
  • 93241 - SPECIMEN
  • 93248 - Maternal Age
  • 93242 - DATING
  • 93202 - Est. Due Date
  • 93252 - Gestational Age
  • 93238 - Maternal Weight
  • 93243 - Mat. Insulin DM
  • 93244 - Family Hx of NTD
  • 93245 - Maternal Race
  • 93246 - Number of Fetuses
  • 93169 - Patients AFP
  • 93239 - MoM for AFP
  • 93240 - Interpretation
  • 92052 - SMOKING
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