Variegate Porphyria, Plasma Porphyrins Screen
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Porphyria Screen by Fluorescence Scanning, Plasma
Test ID: PORPHFS P
Test
Aliases/Synonyms
Method
Fluorescence
Report Includes
Plasma Fluorescence; Interpretation
Specimens
Plasma (EDTA)
Clinical Utility
Plasma fluorescence scanning is a sensitive test for Variegate Porphyria, as well as useful to help diagnose and differentiate between other forms of porphyria.
Test Version
16-Jun-2021
Specimen
Specimens
Plasma (EDTA)
Sample Volume
2 mL
Collection & Handling
Collection Instructions
Collect in foil-covered tube to protect from light. Avoid hemolysis.
Handling Information
Store and submit specimen protected from light.
Separate and freeze immediately. Store and send frozen.
Stability
| Frozen | 2 months |
|---|
Additional Stability Information
If the specimen thaws, it is unsuitable for analysis.
Rejection Criteria
| Lipemia | Present |
|---|---|
| Specimen | Not protected from light or not frozen |
Test Version
16-Jun-2021
Performance / Interpretation
Method
Fluorescence
Turnaround Time
6 days
Results
| Name | Units | Reference Range | Conversion Factor | |
|---|---|---|---|---|
| Plasma Fluorescence Scan | Qual. Test |
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Limit of detection: 5.0 nmol/L
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| Interpretation | ||||
Test Version
16-Jun-2021
Interface / Setup
HL7 Interface Codes
| Order Code | Result Codes | Units |
|---|---|---|
| PORPHFS P | 63858Plasma Fluorescence Scan | |
| 63859Plasma Fluorescence Scan Interpretation |
Test Version
16-Jun-2021