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Epic Code LAB98 Lead, Blood Level

Test Name Alias

Pb | 8261

Interface Order Alias


Clinical Information

If ordering along with Arsenic, Cadmium, and Mercury; order as a Heavy Metals Screen, Blood. (Sent out to Mayo Medical Laboratories)

Collection Instructions

Specimen Collection: Blood


Container(s): Tan top (K2EDTA-Lead Free)

Acceptable: Lavender top (EDTA) or Royal Blue Top with Lavender Label

Preferred Volume to Collect: 3.0 mL

Minimum Volume to Collect: 2.0 mL

Neonate Volume to Collect: 0.5 mL

Capillary collect ok? Yes

Microtainer acceptable?  Yes


Collection Instructions:

  • Tan top is preferred collection container
  • After collection, gently invert tube 8-10 times.


Processing Instructions (Laboratory, Outpatient or Off-site collection)

Processed Specimen: Whole Blood

Centrifuge/Spin: No

Aliquot: No

Transport Temperature: Ambient

Specimen Stability

Ambient: 28 days

Refrigerate: 28 days

Frozen: 28 days

Laboratory Retention: 7 days

Test Frequency

Available 24 hours, usual TAT 1-3 days.

Reference Range

<3.5 mcg/dL (lower limit of detection is 2 mcg/dL)



In alignment with recommendations from the Center for Disease Control and Prevention (CDC) the reference range for blood leads has been updated from 5 mcg/dL to 3.5 mcg/dL.


Any elevated capillary blood specimens should be confirmed with a venous specimen because of possible contamination.


For guidance on recommend actions based on blood lead levels see the follow resources:

  1. CDC:  Recommended Actions Based on Blood Lead Levels | Lead | CDC (
  2. MDHHS: For Healthcare Providers ( (
  3. Poison Control Center (1-800-222-1222)
  4. Pediatric Environmental Health Specialty Unit (PEHSU) (Families - PEHSU,

Performing Department


Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI


Inductively Coupled Plasma-Mass Spectrometer (ICP-MS)

This test was developed, and its performance characteristics determined by Corewell Health Toxicology Laboratory.  It has not been cleared or approved by the FDA.  The laboratory is regulated under CLIA as qualified to perform high-complexity testing.  This test is used for clinical purposes.  It should not be regarded as investigational or for research.



CDM Code


Epic Test ID



Lead: 5671-3

Mayo Access Code


Reviewed Date