Test Details

Mnemonic

ZPPI

Ordering Code

1001560

CPT-4 Code(s)

83655 (Lead), 84202 (Zinc Protoporphyrin)

Specimen Information

Collect

Dark blue trace element EDTA

Specimen Preparation

Send 7.0 mL whole blood refrigerated. PROTECT FROM LIGHT.
A completed lead requisition must accompany sample.

Alternate Specimen

Whole blood: Lavender EDTA, K2EDTA

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Lead: Clotted samples
ZPP: Hemolyzed & clotted samples

Stability

ZPP:
Room temperature: 8 days
Refrigerated: 60 days
Frozen: Unacceptable

Lead:
Room temperature: 7 days
Refrigerated: 30 days
Frozen: Not recommended

Methodology

Atomic Absorption Spectrophotometry/Fluorometry
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Reference Range

COMPONENTS REFERENCE INTERVAL
Lead, Whole Blood >15 years: <5.0 µg/dL
Zinc Protoporphyrin (ZPP), Whole Blood:
0-69 µmol/mol heme
Zinc Protoporphyrin (ZPP),
Whole Blood: 0-40 µg/dL

Interpretive Data:
Action required for workers with elevated Lead
Values OSHA, Occupational Exposure to Lead:

Blood Lead Comment
<5.0 ug/dL No action required


These results should be interpreted in the context
of OSHA, CDC and local and state occupational
health requirements. Additional information
is available through the following links:

cdc.gov/niosh/topics/ables/description.html

cdc.gov/niosh/topics/ables/pdfs/Reference%20Blood
%20Levels%20for%20Adults-2015-12-18_508.pdf
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Performing Laboratory

Warde Medical Laboratory
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