Lead & Zinc Exposure Panel

Included Tests

Lead Whole Blood OSHA; Zinc Protophorphyrin Industrial

Clinical Significance

Zinc protoporphyrin accumulates in erythrocytes as a result of chronic lead absorption or iron deficiency anemia. 

Patient Preparation

Patients should refrain from seafood, antacids, vitamins with mineral supplements and herbal preparation at least 3 days before collection. 

Specimen Requirements

2.0 mL whole blood collected in an Tan Top Tube - K2 EDTA

Transport And Storage

4 days Ambient
10 days Refrigerated

Collection Instructions

Use a lead free tube if blood lead is also requested

Minimum Volume

0.5 mL

Neonatal Volume

Reference Range:

Lead, Blood

Industrial Exposure

<40 mcg/dL

mcg/dL = mcg/100g for OSHA
(Refer to current governmental regulations for exposure criteria.)

Zinc Protoporphyrin

Industrial Exposure

<100 mcg/dL

(Refer to current OSHA regulation for exposure criteria.)
 

Test Comments:

Refer to current Occupational Safety and Health Administration (OSHA) regulation for exposure criteria

Methodology:

• Inductively Coupled Plasma / Mass Spectrometry (ICP/MS) or Atomic Spectroscopy (AS)

Clinical Significance

Zinc protoporphyrin accumulates in erythrocytes as a result of chronic lead absorption or iron deficiency anemia. 

CPT Coding

83655, 84202