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Labcorp Oklahoma, Inc.
Test Directory


Index:

C1 Esterase Inhibitor

Order Name C1 ES QNT
Test Number: 5569700
Revision Date 12/12/2022
Test Name Methodology LOINC Code
C1 Esterase Inhibitor
Immunologic, quantitative 4477-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL (0.5 mL) Serum Clot Activator SST Room Temperature
Instructions Notes: 0.5 mL (Note: This volume Does NOT allow for repeat testing.)
Specimen Type: Red-top tube or gel-barrier tube
Specimen Storage: Maintain specimen at room temperature.
Specimen Collection: Separate serum from cells within 30 to 60 minutes after collection. Transfer specimen to a plastic transport tube.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days
GENERAL INFORMATION
Expected TAT 3 - 4 days shift.  
Clinical Use Aids in diagnosis of hereditary angioedema and monitoring response to therapy. 
Performing Labcorp Test Code 004648 
Notes Labcorp Test Code: 004648
CPT Code(s) 86160
Lab Section Reference Lab