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LEAD, WHOLE BLOOD

Mnemonic

LEAD WB

Synonym

Blood Lead Level - BLL - Pb - Venous Blood Lead

Specimen Collection Requirements

Collect

Preferred: Venous Whole Blood, one certified lead-free tube such as one 6.0 mL royal blue (K2EDTA or Na2EDTA) or one 3.0 mL tan (K2EDTA) top tube. Also acceptable: Venous whole blood, one 4.0 mL Lavender (EDTA) top tube.
NOTE: All elevated blood levels collected in a non-certified lead-free tube (i.e., EDTA lavender top tube) will be run with the following disclaimer: “Specimen was collected in a non-certified lead-free tube. Recommend confirming elevated level of blood lead with a second specimen collected in a lead-free tube."

Handling

Guard the specimen against environmental contamination. Keep the specimen sealed in the original container. Do not separate the plasma from the red blood cells.

Preferred Volume

3.0 mL whole blood

Minimum Volume

0.6 mL whole blood

Transport

Refrigerated (2-8°C)

Rejection Criteria

Serum and plasma specimens; Whole blood collected in tube with anticoagulant other than EDTA; Frozen specimens

Stability

Ambient (18-26°C): 24 hours; Refrigerated (2-8°C): 28 days; Frozen (≤ -20°C): Unacceptable

Testing Information

Note

Elevated levels may be due to skin or collection-related contamination, including use of non-certified lead free tubes. Elevated levels of blood lead should be confirmed with a second specimen collected in a lead-free tube.

Performed

Mon, Wed, Fri

Reported

24-72 hours

Method

Atomic Absorption Spectroscopy - Graphite furnace

Reference Values

Comments

All blood lead levels are reported to the Oregon or Washington Health Division.

CPT Codes

83655

Last Updated: Thursday, January 5, 2017 03:41:21 AM


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