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HelpTest ID FHYDC Hydroxychloroquine, Serum/Plasma
Method Name
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
HydroxychloroquineSpecimen Type
VariesSubmit only 1 of the following specimens:
Serum
Draw blood in a plain, red-top tube(s). (Serum gel tube is not acceptable.) Spin down and send 1 mL of serum refrigerate in preservative-free plastic vial.
Note: Label specimen appropriately (serum).
Plasma
Draw blood in a purple-top, EDTA or pink-top tube(s). (Plasma gel tube is not acceptable.) Spin down and send 1 mL of EDTA plasma refrigerate in preservative-free plastic vial.
Note: Label specimens appropriately (plasma).
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated (preferred) | 30 days |
| Frozen | 365 days | |
| Ambient | 30 days |
Reference Values
Reporting limit determined each analysis.
Synonym(s): Plaquenil; Oxychloroquine
Peak plasma concentrations of 410 ± 130 ng/mL were achieved 2.4 hours after single oral dose of 400 mg hydroxychloroquine (n = 6). Two cases of hydroxychloroquine overdose (20 g each) were successfully treated throughout cardiovascular collapse and had serum concentrations of 14000 and 26000 ng/mL.
Day(s) Performed
Tuesday
Report Available
3 daysPerforming Laboratory
NMS LabsCPT Code Information
80375