Specimen Collection Requirements
24-hour urine. Refrigerated during collection. Also acceptable: Random urine. Freeze within 15 minutes of collection, preservative not required (reported as mg/L, no reference interval provided).
Aliquot from a well-mixed 24-hour urine collection and freeze. State 24-hour total volume and collection time on the requisition.
Alkali preservatives, e.g. samples previously preserved with sodium hydroxide
Ambient: 4 hours with preservative; Refrigerated: 1 week with preservative; Frozen: 1 month
2.0-6.5 mg/g of Creatinine
Creatinine: By report.
Thursday, January 5, 2017 03:41:54 AM