High Performance Liquid Chromatography (HPLC); Chromatography/Mass Spectrometry
Urine, Timed Collection
Quest Diagnostics San Juan Capistrano
LAB01312
Sunday, Tuesday, Friday
5-7 Days
2-4 mL 24 Hour Urine
24-Hour Urine Container
Urine for a 24 hour collection should be alkalinized with sodium carbonate to a pH of 6-7. The urine should be refrigerated and protected from light during collection.
Refrigerate-OK/Frozen-OK
Room Temp=Unacceptable; Refrigerated=7 Days; Frozen=30 Days
Received room temperature; Not protected from light; pH<4.0 (acidified urine)
4 mL 24 Hour Urine
2 mL 24 Hour Urine
Urine for a 24 hour collection should be alkalinized with sodium carbonate to a pH of 6-7. The urine should be refrigerated and protected from light during collection. Indicate total volume and collection duration in comments and on specimen.
Porphyrins, Fractionated, Quantitative, 24 Hour Urine (Coproporphyrin I, Coproporphyrin III, Heptacarboxyporphyrin, Hexacarboxyporphyrin, Pentacarboxyporphyrin, Total Porphyrins, Uroporphyrin I, Uroporhyrin III) and Porphobilinogen, Quantitative, 24 Hour Urine
84120, 84110
03-12-21
SL