Catheter Specimen Urine (CSU)
Microscopy is performed on a fully automated cytometry analyser. Manual microscopy is only performed as an alternative if the specimen is not suitable for the automated method. The cytometry or microscopy is used as a screening test to screen out all negative urine samples in the majority of samples. Samples from specific groups will have automatic culture (such as children, transplant, renal, oncology, haematology and obstetric patients).
Urine samples with positive cytometry or microscopy will be cultured for isolation, identification and susceptibility of likely pathogens.
Not all susceptibility test results are routinely released and additional advice can be obtained from the consultant microbiologist if required.
The sample may be obtained from a transient ‘in and out’ catheterisation or from and indwelling catheter (urethral or supra-pubic). Samples from indwelling catheters should be obtained aseptically from the sample port in the catheter tubing and not from the collection bag.
Samples recieved in the department by 19.00 will be cultured the same day, microscopy is performed 24/7.
North Wing - 5th Floor
Westminster Bridge Road
London SE1 7EH
Core opening hours: Monday-Friday 0900-1730
Last updated: 27/11/2017