Amphotericin B Level

Abbrev Code:XMISC   
Order Code:LAB4909Order Name:Send Out Misc Test
Synonyms:Antifungal Level; Fungus
Methodology:High performance liquid chromatography
CPT Codes: 80299 x1
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

Optimal Volume:2.0 mL
Minimum\Peds Volume:1.2 mL
Container:Purple (EDTA) protect from light
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.
Stability:Specimen Management order test code 0097103 in ARUP Connect and indicate test "Amphotericin B Level to University of Texas Health Science Center, San Antonio" in notes.
Test Performed at or Referral Lab Lab Sendouts  (University of Texas Health Science Center, San Antonio via ARUP)
Referral Lab number:AMB


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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