Test Code CMBSD Coombs, Direct, Blood
Methodology
Red Cell Agglutination
Performing Laboratory
Aspen Valley Hospital
Specimen Requirements
Specimen must arrive within ≤72 hours of draw.
Submit only 1 of the following specimens:
Preferred:
Blood
Container/Tube: Pink-top (EDTA) tube(s)
Specimen: 10 mL (minimum volume: 2 mL) of EDTA whole blood
Transport Temperature: Ambient
Collection Instructions:
Note: 1. Indicate blood on request
form.
2. Label tube(s) with the patient’s name (first
and last), date and actual time of draw, initials of
phlebotomist, and as blood.
Reference Values
Negative
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
86880