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Web:	mayocliniclabs.com
Email:	mcl@mayo.edu
Telephone:	800-533-1710
International:	+1 855-379-3115
Values are valid only on day of printing.

Test ID: C1ES
C1 Esterase (C1ES) Inhibitor Antigen, Serum

Specimen Type Describes the specimen type validated for testing

Serum

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Patient Preparations: Fasting preferred but not required.

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Immediately after specimen collection, place the tube on wet ice.

2. Centrifuge and separate serum from clot.

3. Freeze specimen within 30 minutes.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Hemolysis	Mild OK; Gross OK
Lipemia	Mild OK; Gross reject
Icterus	Mild OK; Gross OK
Other	NA

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen Type	Temperature	Time
Serum	Frozen (preferred)	28 days
	Refrigerated	28 days
	Ambient	72 hours