Test Overview
Test Methodology

PBB: Inductively coupled Plasma-Mass Spectrometry (ICP-MS)
PPFE: High-Performance Liquid Chromatography (HPLC) with Fluorescence Detection

Reference Range *

LEAD
All ages: <3.5 mcg/dL
Critical values
Pediatrics (< or =15 years): > or =20.0 mcg/dL
Adults (> or =16 years): > or =70.0 mcg/dL

PROTOPORPHYRINS, FRACTIONATION
Free protoporphyrin: <20 mcg/dL
Zinc-Complexed Protoporphyrin: <60 mcg/dL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details
Days Set Up
Monday, Wednesday, Friday
Analytic Time

2 - 7 days

Soft Order Code
PBPFD
Synonyms
  • ZPPI
Laboratory
Sendout
Reference Laboratory
Mayo PBPFD
Section
Special Testing
Specimen Requirements
Collection Instructions

Collect blood in Royal blue top (trace element), with EDTA AND a royal blue with heparin (or a green top tube) Send to Specimen Processing as whole blood, refrigerated.

Special Handling

This test requires BOTH Royal blue with EDTA and royal blue with heparin (or green top tube) be collected.

Alternate Specimen

Microtainer® EDTA

Normal Volume

2 mL Royal blue EDTA whole blood
4 mL Royal blue Heparin (or green top)

Minimum Volume

0.1 mL Royal blue EDTA whole blood
3 mL Royal blue heparin/green top whole blood

Storage Temperature
Refrigerated
Rejection Criteria
Both specimen types are not submitted
Billing
CPT Code
83655, 82542
Fee Code
20031, AA221
NY State Approved
No