Test Catalog

Test ID: CBC    
CBC with Differential, Blood

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

A morphology evaluation is performed at an additional charge when the automated 5-part differential is invalid or when abnormal results are identified upon microscopic examination.


A peripheral blood smear review is performed at an additional charge when pathologist expertise is needed for clinically significant diagnosis.

Specimen Type Describes the specimen type validated for testing

Whole Blood EDTA

Shipping Instructions


Necessary Information


Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Container/Tube: Lavender top (EDTA)

Specimen Volume: 3 mL

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

1.5 mL

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


Mild OK; Gross reject








Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTime
Whole Blood EDTARefrigerated (preferred)48 hours
 Ambient 24 hours