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Test ID:
PORPHFS P
Porphyria Screen by Fluorescence Scanning, Plasma
Test Overview
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.
Method
Fluorometry
Result Included
Plasma Fluorescence; Interpretation
Aliases/Synonyms
Variegate Porphyria, Plasma Porphyrins Screen
Specimen
Specimen Type
Plasma (EDTA)
Volume
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 |
If the specimen thaws, it is unsuitable for analysis.
Rejection Criteria
| Criteria | Specification |
|---|---|
| Lipemia | Present |
| Specimen | Not protected from light or not frozen |
Performance & Interpretation
Turnaround Time
6 days
Results
Name
Units
Reference Range
Conversion
-
Plasma Fluorescence ScanQual. TestNegative
Comment
Limit of detection: 5.0 nmol/L
-
Interpretation
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| PORPHFS P | Plasma Fluorescence Scan | 63858 | |
| Plasma Fluorescence Scan Interpretation | 63859 |
Test Version
Last Updated
2021-06-16