Urinary tract infections (UTIs)

Sampling for UTI

Condition Samples to send Comments

Uncomplicated lower UTI without pyrexia

  • Urine in boric acid container (red) for culture
  • Vaginal swab/cervical swab/urethral swab (females) or urethral swab/urine (males) for gonococcal and chlamydial PCR if sexually transmitted infection is suspected
  • Do not send urine samples in the absence of recognised signs and symptoms of (CA)UTI
  • Asymptomatic bacteriuria is common in those >65 years old and in catheterised patients  -  it should not be treated
  • Do not dipstick to diagnose catheter-associated UTI
  • Smelly, cloudy, or dark urine is not a sign of UTI
  • The following are recognised signs and symptoms of CAUTI: fever, rigors, lethargy, malaise, supra-pubic or flank discomfort, acutely altered mental status

Upper or pyrexial UTI - no catheter

  • Blood culture
  • Urine in boric acid container (red) for culture
  • Urethral or cervical swab for gonococcal and chlamydial PCR if sexually transmitted infection is suspected

Catheter-associated UTI (CAUTI)

  • Blood culture if sepsis criteria are fulfilled
  • Urine in boric acid container (red) for culture, obtained after catheter change if the catheter has been inserted >7 days ago

 

 

Guideline reviewed June 2023
Page updated March 2024



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