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HelpTest Code BL Lead, Blood
Useful For
Useful to help in determining lead toxicity
Synonyms/Keywords
Pb, Lead in blood
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 | Royal Blue Top Tube (BD trace element, K2 EDTA) | EDTA Lavender Top Tube (LTT) | 3-7 mL | 1 mL | 0.5 mL | |
Collection/Processing Instructions
A dedicated tube is preferred although removal of small whole blood volumes for a hemogram is acceptable. While a venouscollection is preferred, it is acceptable to draw a capillary sample whennecessary (pediatric).
Order test code CBL when a capillary sample is drawn.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| EDTA whole blood | Refrigerate (preferred) | 1 week |
| Frozen | 1 week |
Rejection Criteria
Serum samples collected in Royal Blue tubes without K2 EDTA
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.
Interpretations
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 ≥ 4 ug/dL, comments will be added to the report based on the CDC guidelines
Reference Range Information
| Performing Location | Reference Range |
|---|---|
| Marshfield |
0-5 years: 0-3 ug/dL* 6-17 years: 0-10 ug/dL Adults (>17 years): 0-25 ug/dL *Ruckart PZ, Jones RL, Courtney JG, et al. Update of the Blood Lead Reference Value - United States, 2021. MMWR 2021;70:1509-1512. |
Marshfield Labs Performing Department
Marshfield Labs Special Chemistry
Performing 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 |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83655 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83655 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Lead, Blood |