Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

AMPHOTERICIN B LEVEL

General Information

Lab Order Codes:

AMH

Synonyms:

Antifungal level

CPT Codes:

80299 – Quantitation of drug, not elsewhere specified

Test Includes:

Amphotercin B level reported in ug/mL.

Logistics

Test Indications:

N/A

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

Fairview University Diagnostic Laboratories (Microbiology)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

Test performed Monday – Friday, results are reported within 2 days.

Special Instructions:

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.

Specimen

Specimen Type:

Blood, CSF, Body fluid

Container:

Blood: Red top tube

CSF or Body fluid: Sterile container

Draw Volume:

Blood: 3 mL

CSF or Body fluid: 1 mL (Minimum: 0.5 mL)

Processed Volume:

1 mL serum, CSF, or body fluid (Minimum: 0.5 mL)

Collection:

Routine venipuncture or body fluid/CSF collection

Special Processing:

Store in freezer. Ship frozen. Must arrive within 24 hours of collection..

Patient Preparation:

None

Sample Rejection:

See Special Instructions and Contraindications regarding drug interferences.

Interpretive

Reference Range:

0.1 - 2.0 ug/mL

Critical Values:

N/A

Limitations:

N/A

Methodology:

Bioassay

Contraindications:

Patient receiving Vancomycin, 5-Fluorocytosine, or Ketoconazole simultaneously will interfere with assay.

References:

Fairview-University Diagnostic Laboratories Laboratory Web Page http://labguide.fairview.org/diagnostic.asp



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