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Test Code LAB98 LEAD

Important Note

Send ORIGINAL tube.  Do not pour off.  Do not spin down.  TUBE CANNOT BE SHARED FOR OTHER TESTING.

Method

Atomic Absorption/Graphite Furnace

CPT(s)

Description CPT Code
Lead 83655

 

Specimen Information

Container Specimen Temerature Collect Vol Submit Vol Min Vol Stability
Lav Top Tube Whole Blood Refrigerate 2 mL 2 mL 0.3 mL 7 days
Lav Microtainer Whole Blood Refrigerate 0.5 mL 0.5 mL 0.1 mL 7 days
Microvette EDTA Whole Blood Refrigerate 0.3 mL 0.3 mL 0.1 mL 7 days

Microvette EDTA tubes are submitted refrigerated and will be frozen once received into the lab.

Capillary and venous specimens are acceptable for testing.

When to Confirm Capillary Blood Lead Tests:

If Capillary Blood Lead Level is: Confirm with Venous Test Within:
<2.0 µg/dL Confirmation not needed
2.0 - 3.4 µg/dL Within 6 months (capillary sample or venous)
3.5 - 9.9 µg/dL Within 3 months
10.0 - 19.9 µg/dL Within 1 month
20.0 - 44.9 µg/dL Within 2 weeks
45.0 - 59.9 µg/dL 48 hours
60.0+ µg/dL Immediately as an emergency test

 

Instrumentation

Perkin Elmer Atomic PinAAcle 900Z

Performing Location

University of Vermont Medical Center

Test Schedule / Analytical Time / Test Priority

Monday - Friday / 1 day / Not available STAT

Section

Chemistry-2

Is the UVMMC lab NY State Certified to perform this testing?  Yes/No

Yes

When to Follow-Up with a Venous Blood Lead Re-test:

If Venous Blood Lead Level is: Follow-Up Late Follow-Up (blood lead level declining)
<2.0 µg/dL Venous re-test not required Venous re-test not required 
2.0 - 3.4 µg/dL 6 - 9 months 6 - 9 months
3.5 - 9.9 µg/dL 3 months 6 - 9 months
10.0 - 19.9 µg/dL 1 - 3 months 3 - 6 months
20.0 - 44.9 µg/dL 2 weeks - 1 month 1 - 3 months
45.0+µg/dL Initiate chelation and re-test in 7 - 21 days As clinically indicated

 

Reference Range

All ages:  <2.0 µg/dL