Blood Lead

Laboratory Fee Schedule

Procedure: BZZ0023A

CPT: 83655

Blood Lead
Synonym(s): Blood Lead screening, Pb
Requisition Form G-1B, G-THSTEPS
Test Description The measurement of lead is used to detect lead exposure in whole blood specimens.
Pre-Approval Needed N/A
Supplemental Information Required N/A
Supplemental Form(s) N/A
Performed on Specimens from (sources) Human
Sample/Specimen Type for Testing

•   Preferred:  Whole blood in (BD) K2 EDTA lavender top vacuum tube (venous).

•   Acceptable:  Whole blood in (BD MAP) K2 EDTA lavender top tube (capillary for


Minimum Volume/Size Required

Fill to manufacturer’s stated fill volume.

Minimum of 1 mL in a 2 mL vacuum tube or 375µL minimum in a 500µL capillary for automation tube.

Storage/Preservation Prior to Shipping

•   Invert lavender top tubes at least 10 times immediately after collection to avoid


•   Store at ambient or refrigerated temperature.

•   Do not freeze.

•   Avoid high temperature environments.

Transport Medium N/A
Specimen Labeling

•   Two patient-specific identifiers required (e.g., patient full name, date of birth, Medical record number

•   Identifiers on specimen must exactly match submission form.

Shipping and Specimen Handling Requirements

•   Specimens may be shipped at ambient or refrigerated temperature.

•   Specimens must be received by the laboratory within 14 days from collection.  

•   Do not freeze specimens.
•   Handle as infectious agent using universal precautions.
•   Ship according to Dangerous Good Regulations, IATA, and/or CFR 49.

•   Ship triple-contained in accordance with federal shipping regulations for

     infectious agents. 

Method Atomic Absorption Spectrophotometry
Turn-around Time 4-5 working days after receipt of specimen
Interferences/Limitations Clotting
Common Causes for Rejection

•   Specimen is clotted. 
•   Two patient-specific identifiers not met
•   Specimen is collected in an expired blood collection tube. 
•   Specimen is not mailed or shipped in a timely or proper manner. 
•   Demographic information is missing or incorrect. 
•   Specimen identification is missing or incorrect.
•   Specimen tube broken/leaked in transit.  
•   Submission form not included with specimen.
•   No specimen included with submission form. 
•   Specimen identification illegible
•   Incorrect blood collection tube used. 
•   Specimen volume is insufficient or excessive. 

Additional Information

Reference Range:

0 - 4 µg/dL


•   Telephone: 512-776-6236 or 512-766-2628

•   Fax: 512-776-7221

•   Email:

Last updated May 9, 2022