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E. coli O157
| Item | Value |
|---|---|
| Approval req'd? | No |
| Available Stat? | No |
| Test code | P157 |
| Performed by | Microbiology |
| In House Availability | Set up daily, day and evening shifts. |
| Container type | Urine cup |
| Amount to Collect | See preferred volume |
| Sample type | Fresh stool |
| Preferred volume | 5 g (1 teaspoonful) |
| UCSF Rejection Criteria | Unpreserved stool received > 3 hours after collection. More than two samples per episode or more than one sample received within 24 hours. |
| Processing notes | Maintain sample at room temperature |
| Normal range | |
| Synonyms | Shiga toxin |
| Stability | Unpreserved 3 hours, preserved 1 week |
| Additional information | Sought in suspected hemolytic-uremic syndrome or acute hemorrhagic colitis, and routinely when bloody stools are submitted for culture. The examination includes culture for sorbitol-negative E. coli O157/H7, and is run in conjunction with routine culture for stool pathogens (P166). See also Verocytotoxin. |
| LOINC code | 10851-4 |
| Last Updated | 10/2/2010 11:51:46 AM |
| Entry Number | 328 |
If you have additional questions regarding this test, please call: 415-353-1667