Lead (Venous), OSHA and Zinc Protoporphyrin Evaluation

Test Code

22996

Alias/See Also

1230400346 | LAB7518: Lead Absorption Profile | QUEST EAP: 22996

CPT Codes
83655, 84202

Preferred Specimen

3 mL whole blood collected in an EDTA (royal blue-top) tube

Minimum Volume

1 mL

Other Acceptable Specimens

Whole blood collected in a sodium heparin (royal blue-top), sodium heparin (green-top), lithium heparin (green-top) or K2 EDTA (tan-top) tube

Instructions

Use a lead-free tube if blood lead is also requested

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 4 days
Refrigerated: 10 days
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis • Clotted • EDTA (lavender-top) tube

Methodology
See individual tests

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Mon-Sat; Report available: 1-2 days

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.)

Performing Laboratory

Quest Diagnostics Nichols Institute

14225 Newbrook Drive

Chantilly, VA 20153

Last Updated: April 21, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.