Porphyrins, Fractionated Plasma PORPPLASMA

Synonyms

Allscripts (AEHR) Order Name

Porphyrins, Fractionated Plasma

Sunrise Clinical Manager (SCM) Order Name

Porphyrins Fractionated Plasma

Clinical Info

Porphyria is a group of distinct disorders characterized by the abnormal accumulation of porphyrins or porphyrin precursors. Porphyrin fractionation of plasma is useful in diagnosing certain types of porphyrias and excluding porphyrias in patients with chronic renal failure suspected of having a porphyria.

Specimen Type

Blood

Container

Green Top Tube

Collection Instructions

Container/Tube: Green Sodium Heparin tube ( Lavender is also accepted)
Specimen: 2 mL plasma ( 0.4 mL min) Protected from light
Transport Temperature: Frozen
Stability: 8 Hours Room Temperature
8 Hours Refrigerated
90 Days Frozen


Note: Protect specimen from light.

Transport Instructions

Frozen

Specimen Stability

8 Hours Room Temperature
8 Hours Refrigerated
90 Days Frozen


Note: Protect specimen from light.

Methodology

High-Pressure Liquid Chromatography (HPLC)

Days Performed

Tuesday and Thursday
TAT 6 - 7 days

Performing Laboratory

Quest Diagnostics' Nichols Institute, Inc. - Chantilly

CPT

82542

PDM

5915261

Result Interpretation

 

Uroporphyrin ≤0.2 µg/L
Heptacarboxyporphyrin ≤0.2 µg/L
Hexacarboxyporphyrin ≤0.3 µg/L
Pentacarboxyporphyrin ≤0.4 µg/L
Coproporphyrin ≤0.8 µg/L
Protoporphyrin 0.4-4.8 µg/L
Total Porphyrins 1.0-5.6 µg/L

 

Forms

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