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.
Submit With Order
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 NameLOINC
0050140C-1-Esterase Inhibitor4477-6
* 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
  • C1 esterase inhibitor
  • C1 Esterase Inhibitor Antigen, S
  • C1 Esterase Inhibitor Antigen, Serum
  • C1 Esterase Inhibitor Quantitative
  • C1 Inactivator, Quantitative
  • C1 Inhibitor
  • C1 inhibitor level
  • HAE
  • Hereditary Angioedema