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Infection Prevention and Control
Collection of a Catheter Specimen of Urine (CSU)
Infection Prevention and Control Collection of a Catheter Specimen of Urine (CSU) Purpose To ensure all relevant staff are aware of the principles of collection of a catheter specimen of urine from a service user and understand the rationale that informs the principle, to prevent cross infection between service users, staff and visitors and prevent Health Care Associated Infections. Target Group This procedure is relevant to healthcare or care staff that have received specific training in collecting a catheter specimen of urine from a service user.
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Introduction Catheter samples of urine should only be taken for valid reasons such as suspected presence of infection. Samples should not be taken directly from the catheter but from the sampling port of the bag’s drainage tubing to minimise the risk of contamination.
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Epic 3 National Evidence Based Guidelines for preventing Healthcare Associated Infections in NHS Hospitals in England (2013) states that the sampling port and an aseptic technique should be used to obtain a catheter sample of urine. This guidance should be used in conjunction with other associated infection prevention and control policies and procedures such as Hand Hygiene, Waste Management, Use of Personal Protective Equipment (PPE) and Aseptic Non Touch Technique (ANTT). Only appropriately trained and competent healthcare or care staff should collect a catheter specimen of urine using an aseptic non-touch technique. Equipment
Sterile 5 ml syringe Blue 23G needle if the port to be sampled is not ‘needle-less’ 1 pair single use gloves and 1 pair single use sterile gloves. Disposable plastic apron Sterile universal specimen container 70% isopropyl alcohol and 2% chlorhexidine (CHG ) impregnated wipes Laboratory request form Clamp if necessary Sharps box if necessary Hand sanitizer Clinical waste bag
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Specimens should be sent to laboratory for testing as soon as possible after obtaining them. Where this is not immediately possible the specimen, once labelled with service user details, date, time and type of specimen and secured in a transportation bag should be retained in a refrigerator designated for specimens only and sent to the laboratory at the earliest opportunity.
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Specimens must not be stored in a fridge used for any other purpose i.e. medicines or food.
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