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Antimicrobial Level - Doxycycline by LC-MS/MS, Serum
0093142
Ordering Recommendation
Mnemonic
DOXY
Methodology
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Varies
Reported
3-8 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Plain red. 
Specimen Preparation
Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL) 
Storage/Transport Temperature
Refrigerated. Also acceptable: Room temperature or frozen. 
Unacceptable Conditions
Separator tubes. 
Remarks
 
Stability
Ambient: 1 week; Refrigerated: 1 week; Frozen: 1 month 
Reference Interval
By report
Interpretive Data


Note
Specimens collected just before or within 15 minutes of the next dose represent the trough levels. Specimens obtained within 15-30 minutes after the end of I.V. infusion or 45-60 minutes after an IM injection or 90 minutes after oral intake represent the PEAK level.
Components
Component Test Code*Component Chart NameLOINC
0093142Antimicrobial Level - Doxycycline, Serum10986-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Doxycycline

Performed at Quest Diagnostics Valencia Inc.