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microbial diseases laboratory

Test Order Pulsed Field Gel Electrophoresis Subtyping

Pre-Approval Required

With the exception of Salmonella and Shiga toxin-producing E. coli, consultation with the Foodborne & Waterborne Diseases Section is required prior to submission of isolates.

Supplemental Information or Form

Bacterial Culture for Identification Form “LAB 446” is required for submission of samples

Performed on Specimens From

Human source

Acceptable Sample/Specimen Type for Testing

Pure isolate

Minimum Volume Required


Storage & Preservation of Sample/Specimen Prior to Shipping

Store at ambient temperature


Ship cultures on nonselective nutrient or similar agar in tubes with leak-proof screw cap closures.

Sample/Specimen Labeling

Test subject to CLIA regulations require two patient identifiers on the specimen container and the test requisition

Shipping Instructions which Include Specimen Handling Requirements

Ship at ambient temperature

Test Methodology

Genetic Identification

Turnaround Time

4 weeks

Interferences & Limitations


Additional Information


MDL Points of Contact

MDL Foodborne and Waterborne Diseases Section (510) 412-3796, Monday - Friday 8 AM to 5 PM Pacific time

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