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Test 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.

Lead Information Form

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