Sample type: Serum
Test name: Ciprofloxacin
Condition / Indication: Requesters have found these assays to be of value in monitoring compliance and/or anti-mycobacterial therapy and/or patients with renal failure and/or pathogens of reduced sensitivity. Also to confirm oral absorption.
Advance warning: Not normally required during our core working hours (Mon – Fri 09:00 – 17:15). Please contact laboratory to discuss the possibility of this assay being performed on Saturdays, Sundays and Bank Holidays.
Special precautions & notes: Ciprofloxacin is degraded by light; please ensure the samples are protected from direct sunlight.
Sample required: Approx. 1-2mL of separated serum (the minimum acceptable is 100µL). Samples may be sent by post. Transport time must be <5 days. Samples should be kept at 4°c if there is a delay in sending. Please contact laboratory if in doubt as sample integrity may be affected. Samples must be sealed and packed to conform to current regulations. Leaking samples may not be processed.
Timing of samples: We recommend a pre dose sample and a post dose samples, taken either 1 hour after the end of iv administration or 2 hours after oral administration.
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
Results: Results will be telephoned/faxed or emailed on the day of receipt for samples received between 9 am and 3 pm Monday to Friday. A written confirmation report will be sent by post.
Reference range: There are too many dose regimens used to give single guideline ranges for this particular assay and interpretations of levels needs to be patient specific. The MIC and the infecting organism are critical in TDM interpretation of Ciprofloxacin.
Container: Serum (Gold top)
Referred outside NBT for analysis? No
Discipline: Antimicrobial Reference Laboratory
Turnaround time: <3 days
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Re-assay interval: Depending on concentrations and patient progression.