Test ID PBHA Lead, Hair
Necessary Information
Indicate source of hair (axillary, head, or pubic), if known
Specimen Required
Supplies: Hair and Nails Collection Kit (T565)
Specimen Volume: 0.2 g
Collection Instructions: Prepare and transport specimen per the instructions in the kit or see Collecting Hair and Nails for Metals Testing.
Secondary ID
8495Useful For
Detecting lead exposure using hair specimens
Special Instructions
Method Name
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)
Reporting Name
Lead, HairSpecimen Type
HairSpecimen Minimum Volume
0.05 g
Specimen Stability Information
Specimen Type | Temperature | Time | |
---|---|---|---|
Hair | Ambient (preferred) | ||
Frozen | |||
Refrigerated |
Clinical Information
Hair analysis for lead can be used to corroborate blood analysis or to document past lead exposure. If the hair is collected and segmented in a time sequence (based on length from root), the approximate time of exposure can be assessed.
Reference Values
<4.0 mcg/g of hair
Reference values apply to all ages.
Cautions
Blood lead analysis has the strongest correlation with toxicity.
Day(s) Performed
Tuesday
Report Available
2 to 8 daysPerforming Laboratory

Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
83655