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HelpTest Code LAB10451 Lead and Zinc Protoporphyrin, Industrial Exposure
Department
SEND OUTS
Reference Lab Test Number
ZPPI
Collection Requirements
PROTECT FROM LIGHT.
A completed lead requisition must accompany sample.
Refer To
Primary Collection Container
Royal Blue (K2EDTA) Trace Element
Alternate Collection Container
Lavender 6 mL (K3EDTA)
Transport
Whole blood refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Draw blood in a dark blue EDTA tube. Send 7.0 mL.
Stability
ZPP:
Ambient: 8 days
Refrigerated: 8 weeks
Frozen: Unacceptable
Lead:
Ambient: 7 days
Refrigerated: 1 month
Frozen: Not recommended
Minimum Testing Volume
2.0 mL
Reference Range
COMPONENTS REFERENCE INTERVAL
Lead, Whole Blood >15 years: <5.0 mg/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
Methodology
Atomic Absorption Spectrophotometry/Fluorometry
Performed
Lead: Monday-Saturday
ZPP: Tuesday, Thursday
Reported
3-5 days
CPT Codes
83655, 84202
Unacceptable Conditions
Lead: Clotted samples
ZPP: Hemolyzed & clotted samples