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Urine culture / dx of UTI


- See Rx of UTI 
- Routine cultures will fail to dx: Chlamydia, GC, and TB;
- LE & Nitrite 
- In and Out Cath: any growth is considered UTI; 
- Clean Catch Urine: 
- about 85% accurate in women and uncirc'ed men; 
- positive culture is > 100,000 bacteria/ml... or 
- positive culture is > 10,000 bacteria/ml and Pyuria; 
- greater than 20 bacteria per HPF.