Porphobilinogen (PBG), Urine PORPHU
|Method(s)||Quantitative Ion Exchange Chromatography/Spectrophotometry|
|Collect||24-hour or random urine collection. Refrigerate 24-hour specimens during collection.|
8 mL aliquot from a well-mixed 24-hour collection, frozen. (Min: 3.5 mL) Protect from light.
PROTECT FROM LIGHT
The most important aspect of specimen preservation is refrigeration during collection, storage, and transport. Record total volume and collection time interval on transport tube and test request form. PROTECT FROM LIGHT during collection, storage, and shipment.
|Stability||Ambient: Unacceptable; Refrigerated: 4 days; Frozen: 1 month|
|Schedule||Mon - Fri|
|Preferred Specimen Collection Device(s)|