Item Value
Test name First Trimester Screen
Available Stat? No
Turn around times 10 days from time of receipt at Western Clinical laboratories
Performed by Western Clinical Laboratory, Inc
Patient Preparation Have the patient read the Program booklet and sign the consent form. The consent is to remain with the clinic.
Normal range
Container type Special SST supplied in Prenatal Screening test kit.
Amount to Collect 3.5 mL blood
Collection Instructions Prior to collection:
Send the remainder of the Program form with the patient to have the sample collected between 10 weeks to 13 weeks 6 days of pregnancy (First Trimester). Include a completed Routine Laboratory requisition listing 'First Trimester Screen' in the lower right corner of the form.

To allow correct billing, provide Medi-Cal information, if applicable. Otherwise, enclose a copy of insurance card.

At the time of collection:
Complete Part B (green) at the bottom of form.

Draw the patient's blood using the 3.5 mL serum separator tube supplied in the program kit.

Apply the white collection label from the top of this page to the tube with the patient's name and collection date.
Sample type Serum is used for testing but the entire unopened tube must be sent.

If you have additional questions regarding this test, please call: 415-353-1667