Porphyrins, Total with Reflex to Porphyrins Fractionation, Plasma

Abbrev Code:PORTOF   
Order Code:LAB6887Order Name:Porphyrins, Total Reflex Fraction
Synonyms:Pentacurboxyl Porphyrins
Methodology:Extraction/scanning spectrofluorometry/high performance liquid chromatography
CPT Codes: 84311 x1, 82542 x1
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

Optimal Volume:6 mL
Minimum\Peds Volume:2.2 mL
Container:10 mL green (sodium heparin) - protect from light
Alternate Containers: 10 mL 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; samples stored at room temperature or refrigerated.

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.
Stability:2 weeks frozen
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2006593


Reference Range:

By report.


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

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