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). 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
Hotline History
Date of Change
Test Name Change
Methodology
Performance/Reported Schedule
Specimen Requirements
Reference Interval
Interpretive Data
Note
CPT Code
Component Change
Other Interface Change
New Test
Inactive
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