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Porphyria Screen by Fluorescence Scanning, Plasma

Test ID: PORPHFS P

Test

Aliases/Synonyms

Variegate Porphyria, Plasma Porphyrins Screen

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
  • Negative
Limit of detection: 5.0 nmol/L
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