Published on August 21, 2026

Hydroxychloroquine, Blood 

Tube Type = Gold Top

Tube Type

Test ID LAB115904
EPIC ORDER HYDROXYCHLOROQUINE, BLOOD
CPT Code(s) 80220
Group/Individual Test Individual 
Laboratory Core Referral Testing
Tube Station 30
Specimen Routine: 3 mL blood/purple top EDTA tube; DO NOT ALIQUOT
Availability Routine: Reference Laboratory - Mayo Clinical Laboratories 
STAT: N/A
Turnaround Time 4-8 Days
Reference Range Normal: See separate report
Comments Whole blood hydroxychloroquine monitoring is more stable, precise, and better correlated to efficacy than serum concentrations. 

Reviewed by J.Carr on August 21, 2026