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Lead, Elevated Blood Levels
2010 Case Definition

CSTE Position Statement(s)

  • 09-OH-02

Subtype(s)

  • Lead, elevated blood levels, children (<16 Years)
  • Lead, elevated blood levels, adult (≥16 Years)

Subtype(s) Case Definition  

Lead, elevated blood levels, children (<16 Years)

Laboratory Criteria for Diagnosis

Blood lead concentration, as determined by a Clinical Laboratory Improvement Amendments (CLIA)-certified facility, ≥10 µg/dL (0.48 µmol/L) in a child (person <16 years of age)

Case Classification

Suspected

A single capillary blood specimen with elevated lead concentration

Probable

Two capillary blood specimens, drawn greater than 12 weeks apart, both with elevated lead concentration

Confirmed

One venous blood specimen with elevated lead concentration, or two capillary blood specimens, drawn within 12 weeks of each other, both with elevated lead concentration

Lead, elevated blood levels, adult (≥16 Years)

Laboratory Criteria for Diagnosis

An adult blood lead level that should be maintained under surveillance by the National Public Health Surveillance System (NPHSS) is defined as an adult (≥16 years) with a venous (or comparable) blood lead concentration ≥10 µg/dL (0.48 µmol/L) of whole blood

Case Classification

Confirmed

A one venous (or comparable) blood specimen with elevated lead concentration.

Comments

Laboratories should report any blood lead level to public health authorities. Health care providers should report elevated blood lead levels.



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