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HelpOrder Code LABGOR, HMNA Heavy Metals, Nails
Additional Codes
Mayo Test Code: HMNA
Reporting Name
Heavy Metals, NailsUseful For
Detection of nonacute arsenic, mercury, and lead exposure
Profile Information
| Test ID | Reporting Name | Available Separately | Always Performed |
|---|---|---|---|
| ASNA | Arsenic, Nails | Yes | Yes |
| PBNA | Lead, Nails | Yes | Yes |
| HGNA | Mercury, Nails | Yes | Yes |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
NailNecessary Information
Indicate source of nails (fingernails or toenails), if known
Specimen Required
Supplies: Hair and Nails Collection Kit (T565)
Specimen Volume: 0.2 g
Collection Instructions:
1. Prepare and transport specimen per the instructions in the kit or see Collecting Hair and Nails for Metals Testing.
2. Clippings should be taken from all 10 fingernails or toenails.
Specimen Minimum Volume
0.05 g
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Nail | Ambient (preferred) | ||
| Frozen | |||
| Refrigerated | |||
Special Instructions
Reference Values
ARSENIC
0-15 years: Not established
≥16 years: <1.0 mcg/g of nails
LEAD
<4.0 mcg/g of nails
Reference values apply to all ages.
MERCURY
0-15 years: Not established
≥16 years: <1.0 mcg/g of nails
Day(s) Performed
Tuesday
CPT Code Information
82175- ASNA
83655- PBNA
83825- HGNA
Method Description
The metals of interest are analyzed by inductively coupled plasma mass spectrometry.(Unpublished Mayo method)
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Method Name
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)