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HelpTest Code LeadCap Lead Capillary
Useful for
Detection and quantitation of Lead in plasma.
Patient Preparation
No special patient preparation required
Special Collection Instructions
Low lead levels can be obtained with poorly filled blood sampling tubes.
Collection Method
Capillary (heel stick)
Container
BD Microtainer EDTA
Preferred Specimen
Whole blood
Reference or Target Ranges
Normal range:
0-5 years: <3.5 mcg/dL
≥6 years: <5.0 mcg/dL
Elevated capillary blood levels must be confirmed with a venous lead blood test.
Reportable Units
ug/dL
Critical Value
Critical Values requiring immediate medical evaluation:
Pediatrics (< 18 years): ≥ 20 ug/dL
Adults ( ≥18 years) : ≥ 70 ug/dL
Reasons for Rejection
| Hemolysis Threshold | OK |
| Icterus Threshold | OK |
| Lipemia Threshold | OK |
| Other | QNS, contaminated, improperly labeled, improper specimen type. specimen clotted |
Specimen Stability
| Ambient | 28 days |
| Refrigerated (4°C to 8°C) | 28 days |
| Frozen(-40°C to 0°C) | 28 days |
Performance Information
| Days and Time Performed |
Monday – Friday 730 AM – 430 PM Toxicology batched Wednesday and Friday |
| Expected Turn Around Time | 5 days |
| Stat Availability | No |
| Performing Bench | Toxicology |
| Instrument | Hemoglobins completed in Toxicology by way of HemoCue Hb 201+ |
| Methodology/Method Description |
PinAAcle 900Z IVD – Electrothermal Atomization Atomic Absorption Spectrometry HemoCUe Hb 201+ is a modified azidemethemoblobin reaction measured in dual wavelengths (570nm and 800nm) |
CPT Codes
83655