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HelpTest Code HGNA Mercury, Nails
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Mercury, NailsSpecimen 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.
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Nail | Ambient (preferred) | ||
| Frozen | |||
| Refrigerated | |||
Specimen Minimum Volume
0.05 g
Special Instructions
Day(s) Performed
Tuesday
Specimen Retention Time
14 daysReport Available
2 to 8 daysReference Values
0-15 years: Not established
≥16 years: <1.0 mcg/g of nails
Useful For
Detecting mercury exposure in nail specimens
CPT Code Information
83825
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| HGNA | Mercury, Nails | 8204-0 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 2509 | Mercury, Nails | 8204-0 |
| HGNSC | Specimen Source | 31208-2 |