C1-Esterase Inhibitor
0050140
 
Ordering Recommendation
Mnemonic
C1ESTER
Methodology
Quantitative Nephelometry
Performed
Sun, Wed, Fri
Reported
1-4 days
New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
 
Collect
Serum separator tube.  
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.4 mL)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.  
Unacceptable Conditions
Non-frozen specimens.  
Remarks
 
Stability
After separation from cells: Ambient: 2 hours; Refrigerated: Unacceptable; Frozen: 2 weeks  
Reference Interval
21-39 mg/dL
Interpretive Data
Note
CPT Code(s)
86160
Components
Component Test Code*Component Chart Name
0050140C-1-Esterase Inhibitor
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, contact interface support at interface.support@aruplab.com.
Cross References
  • C1 Esterase Inhibitor Antigen, Serum
  • C1 Inactivator, Quantitative
  • C1 Inhibitor (C1INH)