Porphyrins, Total with Reflex to Porphyrins Fractionation, Plasma


Sunquest Code:PORTOF  
Epic Code:LAB6887Epic Name:Porphyrins, Total Reflex Fraction
Synonyms:Pentacurboxyl Porphyrins
Methodology:Extraction/scanning spectrofluorometry/high performance liquid chromatography
CPT Code:84311, 82542
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 5-8 days.
Special Instructions:Protect from light. Include a current list of patient medications.


Collection Instructions

Specimen:Blood
Optimal Volume:6 mL
Minimum\Peds Volume:2.2 mL
Container:Green (sodium heparin, no gel) protect from light (Purple (EDTA) protect from light)
Patient Preparation:Patient should abstain from alcohol for 24 hours prior to collection.
Causes for Rejection:Samples not protected from light. Separator tubes.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 3 mL, 1 mL minimum into a light protected vial. Freeze immediately CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Shipping Instructions:Ship on dry ice.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2006593


Interpretive

Reference Range:

By report.

 

Use:If total porphyrins are greater than 1.0 mcg/dL, then fractionation will be performed.


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