C-1-Esterase Inhibitor Panel
0050139
Ordering Recommendation
 
Mnemonic
C1 INH PAN
Methodology
Immunoturbidimetry/Semi-Quantitative Enzyme-Linked Immunosorbent Assay/Quantitative Nephelometry
Performed
Sun-Sat
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 three 1 mL aliquots of serum to individual ARUP Standard Transport Tubes and freeze immediately. (Min: 0.5 mL/tube)  
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.   
Unacceptable Conditions
Non-frozen specimens.  
Remarks
  
Stability
Refer to individual components.  
Reference Interval
 
 
Test Number Components Reference Interval
0050140C1-​Esterase Inhibitor 21-​39 mg/dL
0050141C1-​Esterase Inhibitor Functional 68% or greater: Normal
41-​67%: Indeterminate
40% or less: Abnormal
0050155Complement Component 4  
 
0-​30 days: 8-​30 mg/dL
1 month: 9-​33 mg/dL
2 months: 9-​37 mg/dL
3 months: 10-​35 mg/dL
4 months: 10-​49 mg/dL
5 months: 9-​48 mg/dL
6 months: 12-​55 mg/dL
7-​8 months: 13-​48 mg/dL
9-​11 months: 16-​51 mg/dL
1 year: 16-​52 mg/dL
2-​4 years: 12-​47 mg/dL
5-​11 years: 13-​44 mg/dL
12-​17 years: 14-​41 mg/dL
18 years and older: 10-​40 mg/dL
Interpretive Data
 
Note
 
CPT Code(s)
86160 x2; 86161
Components
Component Test Code*Component Chart NameLOINC
0050140C-1-Esterase Inhibitor4477-6
0050141C-1-Esterase Inhib. Functional10634-4
0050155Complement Component 44498-2
* 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
  • C1 esterase inhibitor
  • C1 esterase inhibitor, functional
  • C1 inhibitor
  • C1-inh
  • C4
  • Complement Component 4