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Health care-associated (nosocomial) infections (HCAI) develop as a result of treatment in a hospital or health care facility and are often caused by organisms resistant to standard antibiotic/antifungal therapies. Outbreaks in hospitals and extended-care facilities may spread to the general community and can cause substantial morbidity and mortality.
Tests generally appear in the order most useful for common clinical situations
| Test name: CBC with Platelet Count |
| ARUP #: 0040002 |
| Methodology: Automated Cell Count |
| Use: Assess for presence of leukocytosis or differential shift |
| Limitations: Findings are not specific for a particular organism |
| Test name: Urine Culture |
| ARUP #: 0060131 |
| Methodology: Standard reference procedures for aerobic bacterial culture and identification |
| Use: Determine source of infection and causative organism(s) Gram stain is performed by request only |
| Test name: Blood Culture |
| ARUP #: 0060102 |
| Methodology: Bactec® continuous monitoring system. Standard reference procedures for identification of aerobic and anaerobic microorganisms |
| Use: Determine source of infection and causative organism(s) |
| Limitations: Testing is limited to the University of Utah Health Sciences Center only |
| Test name: Bronchoscopy Culture |
| ARUP #: 0060700 |
| Methodology: Quantitative culture. Standard reference procedures for identification. |
| Use: Identify causative organism in pneumonia |
| Test name: Wound Culture (Includes Gram Stain 0060101) |
| ARUP #: 0060132 |
| Methodology: Standard reference procedures for bacterial stain, aerobic culture, and identification. Anaerobe Culture is performed on properly collected specimens (Anaerobe culture 0060143). |
| Use: Determine source of infection and causative organism(s) Includes gram stain testing |
| Test name: Bacterial Strain Characterization by Pulsed-Field Gel Electrophoresis |
| ARUP #: 0060182 |
| Methodology: Pulsed-Field Gel Electrophoresis |
| Use: Determine organism causing outbreak Distinguish reinfection from relapse |