Laboratory Services

C1 Esterase Inhibitor Panel

Print this page

Updated Test Information:

Test Description
C1 Esterase Inhibitor Panel
Synonym(s)

C1 Inactivator, C1 Inhibitor, UOW355

Test ID
C1EP
Container Type

3 mL blood in Red Top or SST tube

Specimen Type

Blood

Specimen Requirements

 1 mL serum

Specimen Collection / Processing Instructions

Freeze (2) 0.5mL aliquots @ -70°C

Minimum Sample Volume

0.5 mL serum

Department (code)

Immunology

Testing Schedule

Thursday

Test Includes

C1EF - C1 Esterase Inh, Functional


C1EPR - C1 Esterase Inh, Protein

CPT Code(s)

86160, 86161

Reference Range

C1 Esterase Inhibitor (Protein Level): 20-40 mg/dL
C1 Esterase Inhibitor (Functional):
Normal Function: >68 %;
Decreased Function: <41 %;
Equivocal: 41-68 %

STAT Orderable (Y/N)

No

Performing Lab

UW

LOINC Code(s)