Porphyrins, Fractionated, Quantitative, Random Urine QPOFRU

Method(s) High Performance Liquid Chromatography (HPLC)
Specimen Required
Collect

Random urine.

Also acceptable: Random clean catch urine, Catheterized urine, First void clean catch, Random urine collected with sodium bicarbonate, Random urine collected with no preservatives (ok to add preservative after collection)

Transport

2 mL random urine refrigerated (Min: 1.5 mL).

* Collection Instructions *

  • Random urine collected with 5 grams of sodium carbonate, refrigerated and protected from light during collected is preferred.
  • Collection with no preservative is acceptable, if properly refrigerated and light protected.
Stability

Ambient: Unacceptable

Refrigerated: 7 days

Frozen: 30 days

Unacceptable Conditions
  • Received room temperature
  • Samples not protected from light
  • Samples with a pH less than 4.0
Schedule Tue, Wed, Thu, Fri, Sun
CPTCode 84120
Notes Performing Laboratory-Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
Preferred Specimen Collection Device(s)
Reference Interval
 
Uroporphyrin I3.6-21.1 mcg/g creat
Uroporphyrin IIILess than or equal to 5.6 mcg/g creat
HeptacarboxyporphyrinLess than or equal to 3.4 mcg/g creat
HexacarboxyporphyrinLess than or equal to 6.3 mcg/g creat
PentacarboxyporphyrinLess than or equal to 4.1 mcg/g creat
Coproporphyrin I6.5-33.2 mcg/g creat
Coproporphyrin III4.8-88.6 mcg/g creat
Total Porphyrins27.0-153.6 mcg/g creat
No Appointment Necessary
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