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22819 Lead, Blood

Lead, Blood
Test Code: BL
Synonyms/Keywords
Pb, Lead in blood​
Useful For
Useful to help in determining lead toxicity​
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No​ EDTA whole blood​
EDTA Lavender Top Tube
(LTT)​

Lithium-heparin Green Top Tube (GTT)​
OR
K2, EDTA Tan Top Tube

3-7 mL​ 1 mL​ 0.5 mL (capillary)​
Collection Processing Instructions
A dedicated tube is preferred although removal of small whole blood volumes for a hemogram is acceptable.   Heparin (Green Top Tube) samples are acceptable, but not preferred because of clotting problems.  Frozen specimens are acceptable but not preferred.
Please fill out and submit "Blood Lead Reporting Form". This is REQUIRED by the State of Wisconsin Department of Health and Family Services.
Specimen Stability Information
Specimen Type Temperature Time
EDTA whole blood (LTT)​ ​ Refrigerate​ (preferred) 1 week​
​Frozen ​1 week
Lithium-heparin (GTT)​ ​ Refrigerate​ (preferred) 1 week​
​Frozen 1 week
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​ 6-8 hours​ Thermo Graphite Furnace/M6 Atomic Absorption Spectrometer
Test Information
This test was developed and its performance characteristics determined by Marshfield Labs.  It has not been cleared or approved by the US Food and Drug Administration.  This test is used for clinical purposes.  It should not be regarded as investigational or for research.
Reference Range Information
Performing Location Reference Range
Marshfield​

0-5 years:0-4 ug/dL*

6-17 years: 0-10 ug/dL​

Adults (>17 years): 0-25 ug/dL

*CDC 2012 guideline; Nov 2012.  CDC MMWR, 62(13); 245 - 248, April 15, 2013.
Based on the 97.5th percentile of the NHANES's blood lead distribution in children.

Interpretation
The laboratory is required to report the results of all blood lead tests, regardless of the concentration of lead in the blood, to the State of Wisconsin Dept. of Health and Family Services.  For pediatric lead levels > or = 4 ug/dL, comments will be added to the report based on the CDC guidelines​
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
83655​
Classification
This test was developed and its performance characteristics determined by Marshfield Labs.  It has not been cleared or approved by the US Food and Drug Administration.  This test is used for clinical purposes.  It should not be regarded as investigational or for research.
Synonyms/Keywords
Pb, Lead in blood​
Ordering Applications
Ordering Application Description
​Centricity ​Lead, Blood (Pb)
​Cerner ​Lead Level, Blood
​COM ​Lead, Blood
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)
Pediatric Minimum Volume
(no repeat)
No​ EDTA whole blood​
EDTA Lavender Top Tube
(LTT)​

Lithium-heparin Green Top Tube (GTT)​
OR
K2, EDTA Tan Top Tube

3-7 mL​ 1 mL​ 0.5 mL (capillary)​
Collection Processing
A dedicated tube is preferred although removal of small whole blood volumes for a hemogram is acceptable.   Heparin (Green Top Tube) samples are acceptable, but not preferred because of clotting problems.  Frozen specimens are acceptable but not preferred.
Please fill out and submit "Blood Lead Reporting Form". This is REQUIRED by the State of Wisconsin Department of Health and Family Services.
Specimen Stability Information
Specimen Type Temperature Time
EDTA whole blood (LTT)​ ​ Refrigerate​ (preferred) 1 week​
​Frozen ​1 week
Lithium-heparin (GTT)​ ​ Refrigerate​ (preferred) 1 week​
​Frozen 1 week
Useful For
Useful to help in determining lead toxicity​
Reference Range Information
Performing Location Reference Range
Marshfield​

0-5 years:0-4 ug/dL*

6-17 years: 0-10 ug/dL​

Adults (>17 years): 0-25 ug/dL

*CDC 2012 guideline; Nov 2012.  CDC MMWR, 62(13); 245 - 248, April 15, 2013.
Based on the 97.5th percentile of the NHANES's blood lead distribution in children.

Interpretation
The laboratory is required to report the results of all blood lead tests, regardless of the concentration of lead in the blood, to the State of Wisconsin Dept. of Health and Family Services.  For pediatric lead levels > or = 4 ug/dL, comments will be added to the report based on the CDC guidelines​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday​ 6-8 hours​ Thermo Graphite Furnace/M6 Atomic Absorption Spectrometer
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)
Quantity Description Comments
83655​
Classification
This test was developed and its performance characteristics determined by Marshfield Labs.  It has not been cleared or approved by the US Food and Drug Administration.  This test is used for clinical purposes.  It should not be regarded as investigational or for research.
For most current information refer to the Marshfield Laboratory online reference manual.