| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Porphyrins, Fractionation, Quantitative, Random Urine : 36592
Test CodeUPOFRN or 36592
Alias/See Also
Porphyria
CPT Codes
84120
Includes
Coproporphyrin I, Coproporphyrin III, Heptacarboxyporphyrin, Hexacarboxyporphyrin, Pentacarboxyporphyrin, Uroporphyrin I, Uroporphyrin III, Total Porphyrins
Instructions
Random urine. Protect from light.
Transport Container
Protect from light. Transfer 2 mL aliquot from well mixed random urine to an amber transport tube (preferred) or protect the container from light with foil or place in an amber bag. (Min: 1.5 mL)
Transport Temperature
Refrigerated.
Specimen Stability
Ambient: Unacceptable; Refrigerated: 7 days; Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature. Not protected from light. Samples with a pH less than 4.0.
Methodology
High Performance Liquid Chromatography (HPLC)
Setup Schedule
Sunday & Tuesday - Friday
Report Available
5-7 days (From receipt at performing laboratory)
Limitations
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Reference Range
| Adult Reference Ranges: Uroporphyrin I: 3.6-21.1 mcg/g creatinine Uroporphyrin III: less than or equal to 5.6 mcg/g creatinine Heptacarboxyporphyrin: less than or equal to 3.4 mcg/g creatinine Hexacarboxyporphyrin: less than or equal to 6.3 mcg/g creatinine Pentacarboxyporphyrin: less than or equal to 4.1 mcg/g creatinine Coproporphyrin I: 6.5-33.2 mcg/g creatinine Coproporphyrin III: 4.8-88.6 mcg/g creatinine Total Porphyrins: 27.0-153.6 mcg/g creatinine |
Clinical Significance
Clinical use is to diagnose porphyria cutanea tarda, hereditary coproporphyria, variegate porphyria.
Performing Laboratory
Quest Diagnostics
