Amphotericin B Level - LG1499


Sunquest Code:LSMISC  
Epic Code:LAB4909Epic Name:Send Out Misc Test
Synonyms:Antifungal Level; Fungus
Methodology:High performance liquid chromatography
CPT Code:80299
Turnaround Time:Specimens are sent to reference laboratory Mon-Thurs by 1300; results are reported within 3-7 days.
Special Instructions:Collect only one level at any time except during infusion. 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.


Collection Instructions

Specimen:Blood
Optimal Volume:2.0 mL
Minimum\Peds Volume:1.2 mL
Contraindications:Patient receiving Sulindac simultaneously will interfere with assay.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.5 mL minimum. Submit in amber aliquot tube. Store in freezer.
Shipping Instructions:Ship on dry ice. Protect from light.
Test Performed at or Referral Lab Lab Sendouts  (University of Texas Health Science Center, San Antonio via ARUP)
Referral Lab number:AMB


Interpretive

Reference Range:By report.
Use:Determines if theoretically therapeutic, but nontoxic levels of amphotericin B are present. Used in special situations, eg, renal failure.


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