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|Performed by||Parnassus Chemistry|
|In House Availability||Test available 24 hours per day 7 days per week|
|Collection Instructions||Deliver promptly to laboratory. Refrigerate if delivery delayed > 60 min.|
|Container type||Red top, black top or urine cup|
|Amount to Collect||See preferred volume|
|Sample type||Random urine|
|Preferred volume||5 mL urine|
|UCSF Rejection Criteria||Unrefrigerated samples delivered to lab > 2 hours after collection.|
|Processing notes||Deliver immediately to lab for stat processing.
Do not open tube.
|Stability||Room temperature 2 hours, refrigerated 1 day. Note: pH may change with storage, test should be run asap.|
|Turn around times||4 hours|
|Additional information||Part of routine urinalysis. Order only if greater accuracy than dipstick testing is required.
Specimens should not be unrefrigerated for more than an hour before they are delivered to the laboratory or pH changes may occur due to bacterial growth.
|Last Updated||3/24/2013 7:51:55 PM|
|Lab Procedure Link||Click here for Procedure|