FMB - Specimen: Fetomaternal Bleed, Flow Cytometry, Blood

Test Catalog

Test Name

Test ID: FMB    
Fetomaternal Bleed, Flow Cytometry, Blood

Specimen Type Describes the specimen type needed for testing

Whole Blood EDTA

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Specimen must arrive within 120 hours (preferably 24-72 hours) of draw.


Container/Tube: Lavender top (EDTA)

Specimen Volume: Full tube

Collection Instructions:

1. Do not centrifuge or aliquot.

2. Invert several times to mix blood.

3. Send specimen in original tube.

Specimen Minimum Volume The amount of sample necessary to provide a clinically relevant result as determined by the Laboratory.

1 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected


Mild reject; Gross reject


Mild reject; Gross reject


Mild reject; Gross reject


Clotted blood

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.

Specimen TypeTemperatureTime
Whole Blood EDTARefrigerated (preferred)5 days
 Ambient 5 days