Ordering Recommendation

May be used as initial screening test in Wilson disease or copper transport disorders.

Methodology

Quantitative Immunoturbidimetry

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Serum Separator Tube (SST). Also acceptable: Plasma collected in Green (Lithium Heparin).

Specimen Preparation

Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL) 

Storage/Transport Temperature

Frozen.

Unacceptable Conditions

EDTA plasma or hemolyzed specimens.

Remarks
Stability

After separation from cells: Ambient: 8 days; Refrigerated: 2 weeks; Frozen: 1 years

Reference Interval

Effective February 22, 2022

6 months-6 years 18-37 mg/dL
7-17 years 20-43 mg/dL
18 years and older Male 15-30 mg/dL
18 years and older Female 16-45 mg/dL

Interpretive Data



Compliance Category

FDA

Note

Fasting specimen preferred.

Hotline History

N/A

CPT Codes

82390

Components

Component Test Code* Component Chart Name LOINC
0050160 Ceruloplasmin 2064-4
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Copper Oxidase
  • Ferroxidase
Ceruloplasmin