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The most common cause of high ammonia levels is artefactual effects, due to delay in processing the sample or from poor sample collection.
suspicion of TB Immunocompromise Recent, current and intended antibiotics Storage/transport Samples should be transported to the laboratory with minimal delay
Cough swabs: Transport without delay, if transport is delayed store at ambient temperature Turnaround time Up to 6 days
Samples should be transported to the laboratory with minimal delay. Turnaround time Culture 1 - 3 days PVL testing may take up to 2 weeks
If there is any delay pus samples should be refrigerated. Swab samples - store and transport at room temperature.
Diabetes Neutropenia Previous surgery Current or recent antibiotic therapy Storage/transport Samples should be transported to the laboratory with minimal delay
information Relevant clinical details Specimen collection method Storage/transport Refrigerate immediately after collection Transport to the laboratory without delay
A delay in receiving radiotherapy may result in increased morbidity and mortality as well as adversely affecting patient experience.
Satisfaction survery pre-intervention confirmed patients believe there is time delay following dietetic recommendations.
Ensure minimal delay. Contact lens cases should be stored and transported at room temperature. Turnaround time Microscopy on day of receipt.
information Relevant clinical details Current or recent antibiotic therapy Storage/transport Samples should be transported to the laboratory with minimal delay
Samples should be kept at 4ÂșC if there is a delay in sending. Please contact the laboratory if in doubt as sample integrity may be affected.
Samples should be transported to the laboratory with minimal delay. Turnaround time 2 - 4 days
The delay-after-urge method When you first get the urge to pass urine, try to delay going for just one minute.
details ERCP Immunocompromise Current or recent antibiotic therapy Storage/transport Samples should be transported to the laboratory with minimal delay
Samples should be transported to the laboratory with minimal delay. Turnaround time Negative 1 - 2 days Positive 2 - 3 days
Ensure minimal delay. Turnaround time Microscopy on day of receipt Culture 5 - 7 days
Contact the laboratory if microbiological investigations are required Storage/transport Transport to laboratory immediately Refrigerate if there is a delay
information Relevant clinical details Recent, current and intended antibiotics Storage/transport Samples should be transported to the laboratory with minimal delay
details Details of abdominal surgery Current or recent antibiotic therapy Storage/transport Samples should be transported to the laboratory with minimal delay