Ordering Recommendation

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

New York DOH Approval Status

This test is New York state 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

Methodology

Quantitative Immunoturbidimetry

Performed

Sun-Sat

Reported

Within 24 hours

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