| 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, Total, Plasma
Message*Protect from light and bring to processing ASAP. CENTRIFUGE AND FREEZE IMMEDIATELY.
Test Code
10290
Alias/See Also
LAB123
CPT Codes
82542
Preferred Specimen
2 mL frozen plasma collected in a sodium heparin (green-top) tube - protect from light
Minimum Volume
0.6 mL
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube - protect from light • Serum collected in: Red-top tube (no gel) - protect from light
Instructions
Collect blood sample with light-protected green-top tube.
Separate plasma by centrifugation. Avoid hemolysis.
Remove plasma to a light-protected tube.
Freeze immediately after separation.
Separate plasma by centrifugation. Avoid hemolysis.
Remove plasma to a light-protected tube.
Freeze immediately after separation.
Transport Container
Transport tube - protected from light
Transport Temperature
Frozen
Specimen Stability
Room temperature: 8 hours
Refrigerated: 8 hours
Frozen: 90 days
Refrigerated: 8 hours
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Received room temperature • Received refrigerated • Not protected from light • Serum Separator Tube (SST®)
Methodology
High Performance Liquid Chromatography (HPLC)
FDA Status
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.
Setup Schedule
Tues, thurs
Report Available
6-12 days
Reference Range
1.0-5.6 mcg/L
Clinical Significance
To diagnose patients with chronic renal failure who may be suspected of primary or secondary porphyria.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |