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 Location
The Ottawa Hospital General Campus, 501 Smyth Road, Ottawa ON K1H 8L6
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 Location
The Ottawa Hospital General Campus, 501 Smyth Road, Ottawa ON K1H 8L6
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