What does mixed flora in urine mean?

Because “mixed flora”* implies that at least 2 organisms are present in addition to the identified organism, the urine culture does not meet the criteria for a positive urine culture with 2 organisms or less. Such a urine culture cannot be used to meet the NHSN UTI criteria.

Is mixed flora in urine normal?

in mixed cultures (except for S. aureus and S. saprophyticus) These organisms are not normally considered potential uropathogens. They are normal urethral flora and/or colonizing bacteria from the skin, vaginal or rectal areas.

Is mixed growth in urine serious?

Epithelial cells/mixed growth: mixed growth may indicate perineal contamination; however a small proportion of UTIs may be due to genuine mixed infection. Consider a re-test if symptomatic.

What is normal flora count in urine?

Urine is normally sterile. However, in the process of collecting the urine, some contamination from skin bacteria is frequent. For that reason, up to 10,000 colonies of bacteria/ml are considered normal. Greater than 100,000 colonies/ml represents urinary tract infection.

How many organisms are in a mixed flora urine culture?

Because “mixed flora”* means that at least 2 organisms are present in addition to the identified organism, such a urine culture does not meet the criteria for a positive urine culture with 2 organisms or less.

What does it mean when you have mixed urogenital flora?

Answered in 26 minutes by: A mixed urogenital flora may be indicative of a contaminated sample of urine. Usually for a urine culture it is advised the urethra and vagina are wiped clean and then mid-stream urine is voided in the culture tube.

How many colony forming units ( cfu ) per mL?

The 10,000 to 50,000 colony forming units (CFU) per mL is indicative of urinary infection and if the symptoms like burning, increased frequency, fever, blood in urine etc are present than with this culture report a UTI would be diagnosed; though the culture should be repeated.

What does 10 cfu / ml mean in urine culture?

<10,000 CFU/ML of 1 or 2 organisms (Clean Catch) Or <1,000 CFU/ML of 1 or 2 organisms (Cath) In most cases, 1 or 2 organisms present in these very low numbers does not indicate infection, but represents slight contamination with normal urethral flora and/or colonizing bacteria during collection.