Arsenic, Urine

Test Codes

EPIC: LAB1232142, Beaker: Arsenic U, Quest: 270

Department

Send Outs

Instructions

Specimen Collection Criteria

Collect (preferred specimen): 7.0 mL random urine specimen in a screw-capped container (preferred) or other sterile collection cup. (Minimum: 3.0 mL)

Physician Office/Draw Specimen Preparation

Maintain specimens refrigerated (2-8°C or 36-46°F) prior to transport.

Preparation for Courier Transport

Transport: 7.0 mL random urine, refrigerated (2-8°C or 36-46°F). (Minimum: 3.0 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

In-Lab Processing

Maintain specimens refrigerated (2-8°C or 36-46°F) prior to transport.

Transport: 7.0 mL random urine, refrigerated (2-8°C or 36-46°F). (Minimum: 3.0 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 48 hours
Refrigerated (2-8°C or 36-46°F): 5 days
Frozen (-20°C/-4°F or below): 14 days

Specimen Storage in Department Prior to Disposal:

Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Out Laboratory with any questions.

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Varies.

Reference Range

Arsenic, Random Urine

Non-exposed Adult	≤35 mcg/g creat
Biological Exposure Index (end of shift/work week)	≤50 mcg/g creat

Creatinine, Random Urine

≤6 Months	2-28 mg/dL
7-11 Months	2-31 mg/dL
1-2 Years	2-110 mg/dL
3-8 Years	2-130 mg/dL
9-12 Years	2-160 mg/dL
>12 Years Male	20-320 mg/dL
>12 Years Female	20-275 mg/dL

Test Methodology

Interpretation

By report.

Clinical Utility

Arsenic is widely distributed in the earth's crust. Arsenic is used in some pesticides and industrial applications. Arsenic toxicity can cause skin changes, respiratory illness, nausea and vomiting, and other effects.

CPT Codes

82175

Contacts

Last Updated

12/17/2025