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Ceruloplasmin
0050160
Ordering Recommendation
May be used as initial screening test in Wilson disease or copper transport disorders; preferred initial testing is panel with serum ceruloplasmin, serum copper, and free (direct) serum copper  (eg, Wilson Disease Screening Panel, Serum 0020598).
Mnemonic
CERU
Methodology
Quantitative Immunoturbidimetry
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum separator tube or plasma preparation tube. Also acceptable: Plasma collected in green (lithium heparin).  
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 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 years18-37 mg/dL
7-17 years20-43 mg/dL
18 years and older17-54 mg/dL

Interpretive Data


Note
Fasting specimen preferred.
CPT Code(s)
82390
Components
Component Test Code*Component Chart NameLOINC
0050160Ceruloplasmin2064-4
* 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