Types of infection:
(1) pyelonephritis or other kidney infection
(2) perinephric abscess
(3) infection of the tissue surrounding the retroperitoneum
(4) infection of ureter
(5) infection of urinary bladder
(6) infection of the urethra
Diagnosis of OUTI involves one or more of the following:
(1) positive culture of a pathogen from tissue from the affected site
(2) positive culture of a pathogen from fluid other than urine from the infected site
(3) abscess or other sign of infection seen at surgery
(4) abscess or other signs of infection seen on pathologic examination of tissue or fluid
(5) all of the following:
(5a) 2 or more of the following signs and symptoms
(5a1) fever (temperature > 38°C)
(5a2) localized pain
(5a3) localized tenderness at the affected site
(5b) 1 or more of the following
(5b1) purulent drainage
(5b2) positive blood culture for a pathogen consistent with an infection of the affected site
(5b3) radiologic evidence of an infection
(5b4) physician diagnosis of an OUTI
(5b5) physician starting appropriate treatment for an OUTI
(5c) no other explanation
(6) all of the following in a patient <= 12 months of age
(6a) 1 or more of the following signs and symptoms
(6a1) fever (rectal temperature > 38°C) or hypothermia (rectal temperature < 37°C)
(6a2) apnea
(6a3) bradycardia
(6a4) lethargy
(6a5) vomiting
(6b) 1 or more of the following
(6b1) purulent drainage
(6b2) positive blood culture for a pathogen consistent with an infection of the affected site
(6b3) radiographic evidence of infection
(6b4) physician diagnosis of an OUTI
(6b5) physician starting appropriate treatment for an OUTI
(6d) no other explanation
where:
• Radiographic modalities include ultrasound, CT scan, MRI or radiolabelscan with gallium or technetium.
