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Lab Dept:
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Chemistry
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Test Name:
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AMPHOTERICIN B LEVEL
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General Information
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Lab Order Codes:
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AMH
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Synonyms:
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Antifungal level
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CPT Codes:
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80299 – Quantitation of drug, not elsewhere specified
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Test Includes:
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N/A
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Logistics
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Test Indications:
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N/A
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Lab Testing Sections:
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Chemistry - Sendouts
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Referred to:
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Fairview University Diagnostic Laboratories (Microbiology)
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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Test performed Monday – Friday, results are reported within 2 days.
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Special Instructions:
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Collect only one level at any time except during infusion. Specify all antifungal agents patient is receiving. Some antifungal agents cannot be tested in the presence of others. This test may be performed in the presence of 5-fluorocytosine. To reduce turnaround, notify laboratory as soon as intent to collect level is known so organism can be prepared.
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Specimen
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Specimen Type:
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Whole blood, CSF, Body fluid
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Container:
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Blood: Red top tube
CSF or Body fluid: Sterile container
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Draw Volume:
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Blood: 3.0 mL
CSF or Body fluid: 1.0 mL (Minimum: 0.5 mL)
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Processed Volume:
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1.0 mL serum, CSF, or body fluid (Minimum: 0.5 mL)
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Collection:
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Routine venipuncture or body fluid/CSF collection
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Special Processing:
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Store in freezer. Ship frozen. Must arrive within 24 hours of collection..
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Patient Preparation:
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None
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Sample Rejection:
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See Special Instructions and Contraindications regarding drug interferences.
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Interpretive
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Reference Range:
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0.1 - 2.0 µg/mL
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Critical Values:
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N/A
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Limitations:
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N/A
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Methodology:
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Bioassay
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Contraindications:
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Patient receiving Vancomycin, 5-Fluorocytosine, or Ketoconazole simultaneously will interfere with assay.
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References:
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Fairview-University Diagnostic Laboratories Laboratory Web Page http://labguide.fairview.org/diagnostic.asp
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