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Antimicrobial Level - Isoniazid by HPLC, Serum or Plasma
2009206
Ordering Recommendation
Mnemonic
ISON
Methodology
Quantitative High Performance Liquid Chromatography
Performed
Varies
Reported
3-10 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. Also acceptable: Green (sodium heparin). 
Specimen Preparation
Separate from cells ASAP or within one hour of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube and freeze immediately. (Min: 0.5 mL) 
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. 
Unacceptable Conditions
Severely hemolyzed or thawed specimens. 
Remarks
Include drug dose amount, frequency, method and date and time of last dose prior to draw on requisition form. 
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month 
Reference Interval
By report
Interpretive Data


Note
If the exact time of both the dose and the blood draw are not accurately recorded, accurate interpretation of the concentration will not be possible.
Components
Component Test Code*Component Chart NameLOINC
2009207Isoniazid - Time/Date, Last Dose
2009208Isoniazid - Dose
2009209Antimicrobial Level - Isoniazid Ser/Pla3697-0
2013569Isoniazid - Comment
* 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
  • INH
  • Nydrazid

Performed at National Jewish