Ordering Recommendation

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

Mnemonic
CERU
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) or Plasma Preparation Tube (PPT). 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 hours; Refrigerated: 72 hours; Frozen: 1 month

Reference Interval
6 months-6 years 18-37 mg/dL
7-17 years 20-43 mg/dL
18 years and older 17-54 mg/dL

Interpretive Data



No compliance statements are in use for this test.

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