Coombs, Direct by Hemagglutination

Specimen Requirements

1.0 mL Whole Blood in a Lavender Top Tube - EDTA

Alternate Specimen

TransportAndStorage

24 hours Ambient 
72 hours Refrigerated

This Blood Bank test should be performed within 72 hours. If longer than 72 hours patient should be redrawn.

Collection Instructions

Specimen should be labeled with the patient's name, date and time of collection, [date of birth and/or social security number] and the phlebotomist's (collector's) initials

Minimum Volume

1.0 mL Whole Blood in Pink Top Tube

Neonatal Volumne

Pediatric 1.0 mL Whole Blood in a Pink Microtainer

Reference Range:

Negative

Test Comments:

Methodology:

• Hemagglutination or Gel Hemagglutination

CDM

01490210

CPT Coding

86880 (Reflexes 86880)