Comprehensive Guide to Catheter Urine Sample Collection for NMC OSCE (2023)


In this guide, we delve into the intricacies of Catheter Urine Sample Collection (CUS), a crucial skill for demonstrating competency in the NMC OSCE Exam. Mastering this procedure is essential, given the time constraints of 8 minutes, previously 15 minutes. It is imperative to note that Catheter Urine Sample Collection is a clean procedure, emphasizing the importance of wearing an apron, proper clamping, tubing manipulation, meticulous sampling part wiping, and a non-touch technique for transferring urine.

Catheter Urine Sample Collection Procedure for NMC OSCE

Introductory Phase

Entering the patient room involves ensuring scene safety, closing curtains for privacy, and initiating hand hygiene. Introducing oneself to the patient and confirming relevant details establishes a rapport. Confirming consent, addressing comfort, and assessing the need for a chaperone are critical steps.

Clamping the Catheter

Putting on an apron and gloves precedes confirming the cleanliness of the trolley. Clamping the urinary catheter requires precision, with communication to the patient about potential discomfort. The subsequent steps involve careful removal of apron and gloves, and depending on the method (needle or needleless system), urine withdrawal is performed.

Assembling Articles Phase

Hygiene protocols are rigorously followed, including a seven-step hand wash and assembling necessary items in a disposable kidney tray or available trolley. The required articles include an incontinent pad, alcohol swabs, a 20 ml syringe, pre-labeled sample bottle, gloves, sample bag, and an investigation slip.

Procedure Phase

Ensuring patient comfort, the procedure commences with the wearing of gloves and placing an incontinent pad. The sampling port is meticulously cleaned, and urine withdrawal is executed with precision, showcasing 10 ml clarity. Transferring urine to the sample bottle without contamination, proper disposal of used items, and a final port wipe conclude this phase.

Post Procedural Phase

Confirming patient comfort, verbalizing the sample's destination, and providing a call bell ensures patient assistance. Tidying up the workspace, documentation, and a final hand wash complete the post-procedural phase.


Potential pitfalls include incorrect port selection, emphasizing the need for precise execution to avoid failure.


In conclusion, the success of Catheter Urine Sample Collection for NMC OSCE hinges on meticulous adherence to each phase. Key points include stating the urine condition, proper unclamping, and dual port wipes. Remember, the time limit has now been adjusted to 8 minutes.


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