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Erythrocyte Porphyrin (EP), Whole Blood
Message*Protect specimen from light, wrap in foil and bring to processing.
Test Code
39777
Alias/See Also
LAB1084
CPT Codes
84202
Preferred Specimen
1 mL whole blood collected in an EDTA (royal-blue top) tube, EDTA (lavender-top) tube, K2 EDTA (pink-top) tube, or K2 EDTA (tan-top) tube
Minimum Volume
0.5 mL
Instructions
Transfer 1 mL whole blood to an amber transport tube. Protect from light during collection, storage, and shipment.
Note: Use royal-blue top tube when also testing for lead. Specimen should be tested for lead first to avoid potential contamination problems.
Note: Use royal-blue top tube when also testing for lead. Specimen should be tested for lead first to avoid potential contamination problems.
Transport Container
Amber transport tube
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens not collected in EDTA • Clotted specimens
Methodology
Fluorometry
FDA Status
This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.
Setup Schedule
Mon, wed, sat
Report Available
2-6 days
Reference Range
0-35 ug/dL
Clinical Significance
Screen for erythropoietic protoporphyria (EPP) in patients with cutaneous photosensitivity.
Performing Laboratory
A.R.U.P. , Inc. |
500 Chipeta Way |
Salt Lake City, UT 84108-1221 |