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
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