Laboratory Services

C1 Esterase Inhibitor (Functional)

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Updated Test Information:

Test Description
C1 Esterase Inhibitor (Functional)
Synonym(s)

UOW353

Test ID
C1EF
Container Type

3 mL blood in Red Top or SST

Specimen Type

Blood

Specimen Requirements

0.5 mL Serum

Specimen Collection / Processing Instructions
Centrifuge, aliquot serum and Freeze at -70°C.
Note:  Log this mnemonic ONLY if request form specifies "Functional" C1 Esterase Inhibitor

Stability:  do not store at room temp longer than 6 hrs.
Minimum Sample Volume

0.3 mL Serum

Stability

Transport Frozen

Department (code)

Immunology (IMM)

Methodology

Enzyme Linked Immunosorbent Assay (ELISA)

Testing Schedule

Thursday

CPT Code(s)

86161

Reference Range

Normal Function: >68 %
Equivocal: 41-67 %
Decreased Function: <40 %

STAT Orderable (Y/N)

No

Performing Lab

UW

LOINC Code(s)

10634-4