Heavy Metals Profile I, Urine

CPT: 82175; 82570; 83655; 83825
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Test Details

Test Includes

Arsenic (total), urine; arsenic (inorganic), urine; creatinine, urine; lead, urine; mercury, urine; all ratios; all 24-hour excretions


Monitor exposure to arsenic, lead, and mercury


This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.


Atomic absorption spectrometry (AAS); inductively-coupled plasma/mass spectrometry (ICP/MS)

Reference Interval

See individual tests.

Additional Information

See individual tests.

Specimen Requirements


Urine (random or 24-hour)


15 mL

Minimum Volume

5.3 mL


Plastic urine container, no preservative

Patient Preparation

Patient should avoid seafood and red wine 72 hours prior to collection.


Sampling time is not critical for industrial monitoring.

Optional protocol: Instruct the patient to void at 8 AM and discard the specimen. Then collect all urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM the next morning). Avoid contact with metal during collection. Screw the lid on securely. See individual tests for collection times for industrial monitoring.

Storage Instructions

Maintain specimen at room temperature.

Stability Requirements



Room temperature

14 days


14 days


14 days

Freeze/thaw cycles

Stable x3

Clinical Information

Special Instructions

Request form must state 24-hour specimen volume, if applicable.


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
007492 Heavy Metals Profile, Urine 723280 Creatinine(Crt),U g/L 2161-8
007492 Heavy Metals Profile, Urine 170391 Arsenic (Total),U ug/L 21074-0
007492 Heavy Metals Profile, Urine 170394 Arsenic(Inorganic),U ug/L 12481-8
007492 Heavy Metals Profile, Urine 170395 Inorg. As/Crt Ratio ug/g creat 13825-5
007492 Heavy Metals Profile, Urine 170392 Arsenic,Urine 24 Hr ug/24 hr 5587-1
007492 Heavy Metals Profile, Urine 019315 Lead, Urine ug/L 20625-0
007492 Heavy Metals Profile, Urine 019317 Lead/Creat. Ratio ug/g creat 13466-8
007492 Heavy Metals Profile, Urine 019364 Lead, Urine (24 Hr) ug/24 hr 5677-0
007492 Heavy Metals Profile, Urine 019307 Mercury, Urine ug/L 21383-5
007492 Heavy Metals Profile, Urine 019310 Mercury/Creat. Ratio ug/g creat 13465-0
007492 Heavy Metals Profile, Urine 019356 Mercury,Urine 24 Hr ug/24 hr 6693-6

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CPT Statement/Profile Statement

The LOINC® codes are copyright © 1994-2018, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. Permission is granted in perpetuity, without payment of license fees or royalties, to use, copy, or distribute the LOINC® codes for any commercial or non-commercial purpose, subject to the terms under the license agreement found at https://loinc.org/license/. Additional information regarding LOINC® codes can be found at LOINC.org, including the LOINC Manual, which can be downloaded at LOINC.org/downloads/files/LOINCManual.pdf