Investigation Container Laboratory Time limit for Cost Further info (sample Turnaround requesting of volume) time additional test investigations TB culture Plain N/A Early morning container urine x3. 250 or Label as ‘high 500ml risk Urine chlamydia and First 20mls Urine sample gonorrhoea detection catch into obtained after screening container not having RU clear screening sexually with fluid passed urine active under 25s annually or for one hour change of sexual partner. see genital Note vaginal sample is infections preferred in women https://www.ruclear.co.uk chlamydia and First 20mls Urine sample gonorrhoea NOT screening catch into obtained after Note vaginal sample is container not having preferred in women with fluid passed urine for one hour see genital infections Urine for Schistosoma Plain Collect all urine Parasitic haemotobium (Bilharzia) container between 10am cause of microscopy 250 or and 2pm haematuria: 500ml eggs detected in urine Urine bacterial antigen Plain The test for detection universal legionella (Legionella & Streptococcus container antigen only pneumoniae) ml) detects L. pneumophila serogroup 1 Urine pregnancy test Plain 24 hours Any time of universal day from container expected day ml) of menses For further information on investigation of urine refer to UK Standards for Microbiology Investigations. Interpreting laboratory results Adverse factors affecting the interpretation of urine culture results: contamination of the sample at the point of collection delay >4 hours in arrival at laboratory excessive temperature incorrect sample type (eg bag urine) incorrect sample volume (if boric acid containers are used) incomplete clinical details on request form
Investigation Container (sample volume) Laboratory Turnaround time Time limit for requesting additional investigations Cost of test Further info TB culture Plain container 250 or 500ml N/A Early morning urine x3. Label as ‘high risk Urine chlamydia and gonorrhoea detection screening RU clear screening sexually active under 25s annually or change of sexual partner. Note vaginal sample is preferred in women https://www.ruclear.co.uk First 20mls catch into container with fluid Urine sample obtained after not having passed urine for one hour see genital infections chlamydia and gonorrhoea NOT screening Note vaginal sample is preferred in women First 20mls catch into container with fluid Urine sample obtained after not having passed urine for one hour see genital infections Urine for Schistosoma haemotobium (Bilharzia) microscopy Plain container 250 or 500ml Collect all urine between 10am and 2pm Parasitic cause of haematuria: eggs detected in urine Urine bacterial antigen detection (Legionella & Streptococcus pneumoniae) Plain universal container ml) The test for legionella antigen only detects L. pneumophila serogroup 1 Urine pregnancy test Plain universal container ml) 24 hours Any time of day from expected day of menses For further information on investigation of urine refer to UK Standards for Microbiology Investigations. Interpreting laboratory results Adverse factors affecting the interpretation of urine culture results: contamination of the sample at the point of collection delay >4 hours in arrival at laboratory excessive temperature incorrect sample type (eg bag urine) incorrect sample volume (if boric acid containers are used) incomplete clinical details on request form
Urine_Module_User_Manual_Template_dc_.docx