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Tobramycin
minimum sample volume required ~ 5ml
Test Code: TBR
Other acceptable tube types
Lithium heparin (pale green)
Special instructions
Requestors should alert the biochemistry laboratory when a request is being made (on extension 4240 Monday-Friday 9.00-17.00, via switchboard outside of these times)
For non-Millennium and non-ICE requests, please use a yellow antibiotics form and ensure that ALL details on the request form are completed.
Time limit for add on
Three days post collection
Sent away
to Bristol Royal Infirmary
Reference range
See below
Units
mg/L
Turnaround Time
1
day
Department: Biochemistry
Clinical Application
For once daily tobramycin therapy, pre-dose levels should be <1mg/L.
For bd or tds Tobramycin, when treating a gram negative pneumonia, pre-dose levels should be <2mg/L and post dose levels >7mg/L.
For bd or tds Tobramycin, when treating endocarditis, pre-dose levels should be <1mg/L and post dose levels >3-5mg/L.
Please note that it is the responsibility of the prescriber to check antibiotic levels and adjust dose/timing as necessary. Please discuss with a microbiologist or pharmacist if advice is required.
