Laboratory Test Information Guide

Details for C1 Inhibitor Protein

Test Name: C1 Inhibitor Protein
Alternate Name(s): C1 Esterase Inhibitor
C1 est
C1 esterase
C1IN
Laboratory: Clinical Immunology
Specimen Type: 5 mL Gold top Vacutainer tube or 6 mL Red top Vacutainer tube
Lithium heparin samples may also be accepted
Pediatric:
0-2 yrs: Red 0.5 pk.
2-10 yrs: 2 mL Red top
Collection Information: Minimum sample volume is 360 uL.

Send to Specimen Receiving Area ASAP

Requisition: GENERAL LABORATORY REQUISITION
Test Schedule:  
Turnaround time from when specimen
is received in testing laboratory:
 
Routine
10 days
Stat
N/A
 
Reference Range: 0.21 - 0.38 g/L
Effective Date: 2010-03-12
Revised Date: 2017-03-02
Critical Value:  
Interpretive Comments: Decreased in hereditary angioneurotic oedema, a genetic disease characterized by acute oedema of subcutaneous tissue, the G.I. tract or the upper respiratory tract.
Special Processing:  
Comments: This is a quantitative assay; it does not assess functional status.
Turbidimetric assays not suitable for measurement of highly lipemic or hemolytic samples or samples containing high levels of circulating immune complexes.
Method of Analysis: Turbidimetry
Critical Information Required:  
Storage & Shipment: 2 8oC for up to 8 days. Ship on ice packs if transit time is <24 hours.

For longer storage or transit time, freeze and store at -20oC. Ship frozen on ice packs.
System Codes: 
Cerner
C1IN
 
Referred To:  

Questions? Comments? Contact Laura Gopaul