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Test Code C1ESTER FN C 1 Esterase Inhibitor Function

Clinical System Name

C1 Esterase Inhibitor Function

Synonyms

C1 Esterase Inhibitor Functional Assay
 

Sample Requirements

Specimen: Whole blood

Container(s): Gold SST or Red or Gold Microtainer

Preferred Vol: 2.0 mL

Minimum Vol: 1.2 mL

 

Note: Send to the Lab STAT. Serum  must be frozen within one hour of collection.

Processing Instructions

Reject due to

Spin: Y

Aliquot: Y

Temp: -70 C

Storage location: Serum must be frozen within 1 hour of blood draw. Spin blood, freeze 0.5 mL serum in a plastic tube affixed with a large computer label. Freeze in the -70° C freezer send-outs rack. Store remaining labels in the clear plastic box on the CPA fridge.

 

Off-site collection: Spin, aliquot & freeze serum within one hour of blood draw. Transport frozen.

Stability

Specimen Type Temperature Time
  Room temp N
  Refrigerated N
  Frozen 2 w

 

Availability

STAT Performed TAT
N Collected daily; set up Th 2 - 8 d

 

Performing Laboratory

University of Washington

Dept of Laboratory Medicine
 

Department

Department:  

University of Washington

Dept of Laboratory Medicine

1959 NE Pacific St, NW220
Seattle, WA 98195
 

Phone Number: (206) 598-6066

 

 

Reference Range

 

Decreased Function <41%
Normal Function >68%
Equivocal 41 - 68%

 

 

Methodology

Method: None ELISA

Analytical Volume: None specified

Limitations:

CPT Codes

86161

 

Send Out Instructions

 

Reference Test Name: C1 Esterase Inhibitor Functional Assay
Reference Test Number: C1EF
Instructions: Send out M thru F with the UW courier. Ship frozen. Keep a copy of the Batch Sheet for our records.