Test Name
C1 ESTERASE INHIBITOR
Aliases
C1 INACTIVATOR
Abbreviations
C1-INH
Test Classification
INDIVIDUAL
Department
SPECIAL CHEMISTRY
Sub Department
-
TAT Category
ELAPSED (CONTINUOUS) TIME
Estimated TAT
7
TAT Units
DAYS
Test Requirements
2mL serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour.
Clinical Utility
Diagnosing hereditary angioedema (HAE) & monitoring treatment response.
Last Review
26th Feb 2026