Test Name: C1 Esterase Inhibitor, Functional Assay 
Alternate Test Names C1E Functional (C1EF); Complement Component, Functional Assay of C1 Ester 
PLS Test Code C1EF  Laboratory Biochemistry 
Specimen Blood  Analysis Performed On Serum 
Container Serum Separator Tube (SST)  Container colour White 
Multiple specimens  
Required Volume Adult (mL) Req Vol Paediatric (mL)
Reference Ranges > 70% of normal reference serum 
Turnaround Time Routine 2 Weeks  Turnaround Time Urgent  
Turnaround Other Contact laboratory if urgent testing required. 
Days test is performed Weekly  Transport  
Special Requirements None 
Patient Preparation None 
Collection Instructions Venepuncture. Place tube on ice and deliver to laboratory WITHIN 4 hrs of collection 
Clinical Information  
Sent to Reference Laboratory No 
Ref Laboratory Name  
Estimated Patient Fee N/A 
Last Updated 25-Aug-2006 (Version: 1.00)