Test ID BLOD1753 Hydroxychloroquine, Serum
Useful For
Monitoring serum hydroxychloroquine concentrations, assessing compliance, and adjusting dosage in patients
Specimen Type
Serum RedSpecimen Required
Supplies: Sarstedt Aliquot Tube, 5 mL (T914)
Collection Container/Tube: Red top (gel tubes/SST are not acceptable)
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Collection Instructions:
1. Collect specimen immediately before next scheduled dose.
2. Within 2 hours of collection, centrifuge, and aliquot serum into a plastic vial.
Specimen Minimum Volume
0.5 mL
Specimen Stability Information
Specimen Type | Temperature | Time |
---|---|---|
Serum Red | Refrigerated (preferred) | 28 days |
Frozen | 28 days | |
Ambient | 21 days |
Reject Due To
Gross hemolysis | OK |
Gross lipemia | OK |
Gross icterus | OK |
Day(s) Performed
Monday, Wednesday, Friday
Report Available
3 to 7 daysMethod Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Hydroxychloroquine, SPerforming Laboratory

Secondary ID
64947CPT Code Information
80220
Reference Values
For suppressive treatment of malaria, suggested plasma or serum concentrations should be >10 ng/mL.
For systemic lupus erythematosus, proposed serum target concentrations should be ≥500 ng/mL.
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.
SANFORD LABORATORY INTERFACE BUILD INFORMATION
Result Code | Result Code Description |
---|---|
28380 | Hydroxychloroquine, S |