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Rifabutin

Container:

Rifabutin
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Reference Range:

Pre dose <0.1 mg/L Post dose 0.45-0.9 mg/L

Turnaround Time:

<5 days

Comments:

This test is being referred to Bristol Southmead Hospital

Description:

Rifabutin Levels. Requesters have found these assays to be of value in patients receiving agents that have known drug interactions with Rifabutin (such as clarithromycin, a number of antifungal agents and many of the antiviral agents used to treat HIV infection) and in cases of suspected toxicity.

Sample Requirements:

4 mls clotted blood. We recommend a pre dose sample and three post dose samples, taken 1 hour, 2 hours and 4 hours after oral administration.

Important Information:

Test Information Required: • Patient name, sex and age • Laboratory number • Dosage, frequency and timing of samples • Clinical Summary • Other medications (essential) • Address for report • Phone (fax if preferred) number for report or email address for an electronic copy • Contact name • Appropriate hazard warnings