C1 Esterase Inhibitor




Test Mnemonic

C1EST

CPT Codes

  • 86160 - QTY (1)

LOINC ®

4477-6

Includes

  • C-1-Esterase Inhibitor

Performing Laboratory

ARUP


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLSerumSST (Gold) RefrigeratedSeparate serum from cells within 2 hours of collection.

Minimum Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
0.5 mL     

Stability

Environmental Condition Description
AmbientUnacceptable
Frozen1 month
Refrigerated2 weeks

Days Performed

Sun - Sat

Turnaround Time

2 - 5 days

Methodology

Name Description
Turbidimetry (TURB) 

Reference Range

C1 Esterase Inhibitor
Sex Age From Age To Type Range Range Unit
       Normal21-38mg/dL

Special Info

Grossly hemolyzed or lipemic specimens will be rejected.

Clinical Info

Deficiency of C1 esterase inhibitor is present in hereditary angioneurotic edema.