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Test Directory Culture, Routine Urine

Culture, Routine Urine

Test Summary

This culture is designed to quantitate the growth of significant bacteria when collected by the Clean Catch Guidelines or from indwelling catheters. Quantitative culturing of urine is an established tool to differentiate significant bacteriuria from contamination introduced during voiding. This test has a reference range of less than 1,000 bacteria per mL. More than 95% of Urinary Tract Infections (UTI) are attributed to a single organism. Infecting organisms are usually present at greater than 100,000 colonies per mL, but a lower density may be clinically important. In cases of UTI where more than one organism is present, the predominant organism is usually significant and others are probably urethral or collection contaminants. When multiple organisms are isolated from patients with indwelling catheters, UTI is doubtful and colonization likely.

Aliases

Specimen Collection

Special Instructions

N/A

Preferred Specimen

Urine obtained by clean catch, catheterization or suprapubic aspiration (minimum 5.0 mL)

Minimum Volume

3 mL

Instructions

Collect urine in a sterile cup. Use cleaning towelets to clean the urethral opening. Start to urinate into the toilet, Stop, and then collect the remaining urine in the cup. Place specimen in urine transport with preservative (Urine Culture Transport Kit BD Grey Cap) immediately (within one hour) it needs a minimum of 3 mL urine -- there is a min fill line on the tube.

Patient Preparation

Proper cleansing of labia and penis should be performed prior to collecting a clean catch urine. Disinfecting wipes should be used for cleaning. Females should wipe from front to back.

Storage

Urine Culture Transport Kit BD (Grey Cap)

Transport Temperature

Room Temperature

Specimen Stability

Room Temperature = 2 days in urine culture transport medium. 1 hour if unpreserved and not refrigerated
Refrigerated = 2 days if preserved, 24 hours if unpreserved
Frozen = unacceptable

Limitations

N/A

Other Acceptable Specimens

N/A

Unacceptable Specimens

Unrefrigerated specimens that have not been preserved. Frozen specimen.

Order Code

CULURN

EPIC (Premier) Code

LAB10055/LAB10214

Includes

N/A

CPT Code

87086***When a culture is positive there will be a reflex for each identification and susceptibility

Billing Code

300682

CPT Statement

Methodology

Culture

FDA Status

FDA Approved

Physician Attestation of Informed Consent

N/A

Testing Laboratory

CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine OH, 45439

Department

Microbiology

Reference Range

No Growth or Normal Vaginal/Urethral Flora

Setup Schedule / Expected Turnaround Time

Sunday - Saturday; Report available: 2 days