Microscopy and Culture (Urine)

Testing Laboratory

Auckland Te Toka Tumai | Auckland Hospital

Department

Microbiology

Delphic Registration Code (Alpha Code)

U

Test Code (Numeric Code)

2025

Laboratory Handling

Sample Stability

2 Hours

Synonyms

Urine
Bag Urine
Catheter Urine
Midstream Urine
MSU
Nephrostomy Urine
Urinalysis
Urine Culture and Sensitivities
Urine Dipstick
Urine Microscopy
Urine Microbiology

Turnaround Time

4 hours

Urines from all emergency departments, womens assessment unit, delivery unit, and high dependecy unit will have microscopy results available within 1 hour. Culture results for all urines will be available within 48 hours.

Specimen Type

  • Urine

Specimen Requirements

Tube/Container Type:

Preferred
  • Specimen Container
Preferred Sample Volume (ml)

3

Minimum Sample Volume (ml)

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Specimen Container

Pre-testing Requirements

Midstream urines
Thoroughly prepare patient to avoid contamination.

Catheter urines
Refer to "Catheterisation Policy" in Ward Nursing Manual.

Paediatric patients
0 - 1 year: In-Out Catheter samples or suprapubic aspiration (bladder stab) are the preferred specimen for culture. Clean catch urines have a higher risk of contamination however can be performed after adequate cleaning of perineal area. Paediatric bag urines are unreliable and extreme care is needed with the interpretation of results.
Over 1 year: Midstream specimens are satisfactory for culture.
Please read these Starship Guidelines attached for further information.

Additional Specimen Information

Midstream Urine Delphic Code: MU (2023)
Catheter Urine Delphic Code: CU (2024)
Bag Urine Delphic Code: BAGU (2175)

Last updated: 28/04/2026