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HelpTest ID HCQWB Hydroxychloroquine, Blood
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Specimen Required
Container/Tube: Lavender top (EDTA)
Specimen Volume: 1 mL
Collection Instructions:
1. Collect specimen immediately before next scheduled dose.
2. Send whole blood specimen in original tube. Do not aliquot.
Reporting Name
Hydroxychloroquine, BSpecimen Type
Whole Blood EDTASpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 28 days |
| Ambient | 28 days | |
| Frozen | 28 days |
Report Available
3 to 7 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HCQWB | Hydroxychloroquine, B | 95921-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 623295 | Hydroxychloroquine, B | 95921-3 |
Useful For
Monitoring whole blood hydroxychloroquine concentrations, assessing compliance, and adjusting dosage in patients
Day(s) Performed
Tuesday, Thursday
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.CPT Code Information
80220
Specimen Minimum Volume
0.5 mL
Reference Values
≥200 ng/mL