Copper, 24-Hour Urine

Test Codes

EPIC: LAB1232146, Beaker: Copper 24U, Quest: 365

Department

Send Outs

Instructions

• Please refer to the Specimen Collection Manual for instructions on 24-Hour Urine Collection:
• Urine 24-Hour Collection - Inpatient
• Urine 24-Hour Collection - Outpatient
• Urine 24-Hour Collection - Outreach

Specimen Collection Criteria

Collect (preferred specimen): 24-hour urine sample with no preservative.

Include start and end dates and times for the collection period on the specimen container.

Physician Office/Draw Specimen Preparation

Maintain specimens at room temperature (20-26°C or 68-78.8°F).

Preparation for Courier Transport

Transport: Entire 24-hour urine collection, at room temperature (20-26°C or 68-78.8°F).

Rejection Criteria

• Random urine.
• Fecal contamination.
• Specimens not collected and processed as indicated.

In-Lab Processing

Measure total volume of 24-hour urine specimen. Record total volume and collection start and end dates and times in the LIS system. Aliquot 7.0 mL from the well-mixed 24-hour urine collection into a metal-free transport tube. (Minimum: 3.0 mL)

Transport: 7.0 mL urine, room temperature (20-26°C or 68-78.8°F). (Minimum: 3.0 mL)

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 5 days
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 30 days

Specimen Storage in Department Prior to Disposal:

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

Laboratory

Sent to Quest Diagnostics, Wood Dale, IL.

Performed

Sunday, Wednesday, Friday. 
Results available in 3-6 day.

Reference Range

15-60 mcg/24 h

Test Methodology

Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)

CPT Codes

82525

Contacts

Last Updated

12/17/2025