Sequential Maternal Screen, Part 1

Test ID: ZH008

CPT code: 84163
Specimen Type: Red or SST
Frequency: Setup: Mon-Sat; Analytic time 1 day
Instructions: 1.0mL serum from red or SST, spin immediately and refrigerate. Form T593
required with blood.
Text: When Part 1 is negative, Part 2 must be completed in order to receive an
interpretable result. If collecting a second-trimester specimen is
expected to be difficult, order first-trimester screening instead (see
ZG776 First Trimester Maternal Screen).
Methodology: Two-Site Immunoenzymatic (Sandwich) Assay

Test Name

AMS Laboratory

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