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Test Code HGHAR Mercury, Hair

Reporting Name

Mercury, Hair

Useful For

Detecting mercury exposure in hair specimens

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type


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 in Special Instructions.

Additional Information: If known, indicate source of hair (axillary, head, or pubic).

Barnes-Jewish Hospital Note:
Physician office must collect, prepare, and transport the specimen to Barnes-Jewish Hospital Laboratory.

Specimen Minimum Volume

0.05 g

Specimen Stability Information

Specimen Type Temperature Time
Hair Ambient (preferred)

Reference Values

0-15 years: not established

≥16 years: 0.0-0.9 mcg/g of hair

Day(s) and Time(s) Performed

Tuesday; 3 p.m.

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
HGHAR Mercury, Hair 5686-1


Result ID Test Result Name Result LOINC Value
31900 Mercury, Hair 5686-1
HGHSC Specimen Source 31208-2

Method Name

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS)

Barnes-Jewish Hospital Additional Information:
For BJH Laboratory Use Only

Laboratory Processing Instructions:
BJH Chemistry will forward to the performing laboratory.