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Test Code MSNTD MATERNAL AFP NEURAL TUBE DEFECT SCREEN (NTD), Lab2806

Important Note

Please accompany sample with Iowa Maternal Screen Test Request Form.

 

The following information is required for test interpretation: Patient's date of birth, current weight, ultrasound date, AND measurement, and/or LMP information to date the pregnancy, number of fetuses, patient's race, if patient requires insulin, and if there is known family history of neural tube defects. Detection rates: 85% neural tube defects.

Methodology

Quantitative Chemiluminescent Inmunoassay

Performing Laboratory

State Hygienic Laboratory-Coralville

Specimen Requirements

Container/Tube type: Red top tube or Serum Separator Tube

Specimen: 1 mL of serum

Transport Temperature: Refrigerated with cold pack

Stability: Refrigerate. Specimen must be received within 9 days of collection

 

Specimen Minimum Volume

1 mL of serum

Reference Values

MoM value for AFP (NTD screen) Screen Cutoff established for test interpretation/Recommended action:

Negative/ No further action

Positive/ Level II ultrasound, counseling, and consideration for diagnostic testing

 

Day (s) Test Set Up

Monday through Friday

Analytic Time

3-5 business days

Rejected due to:

Plasma sample

Sample not collected within the required gestational age range for the test requested.

CPT Code

82105