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Test Code LAB2859 C1 Esterase Inhib Protein+Func

Important Note

Must be processed and frozen within ONE hour of collection.

Additional Codes

C1ESTER GR

Clinical System Name

C1 Esterase Inhib Protein+Func

Synonyms

C1 Esterase Inhibitor Activity; C1 Esterase Inhib Func - Quant; C1 Esterase Inhibitor; C1 Esterase Inhibitor Function - Quant; C1 Inactivator; C1 Inhibitor

Sample Requirements

Specimen: Whole Blood

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

Preferred Vol: 3.0 mL

Minimum Vol: 2.0 mL

 

Note: Send to the main laboratory STAT. Must be frozen within ONE hour of collection. Panel includes both "functional" and "protein."

Processing Instructions

Reject due to: 

Spin: Y

Aliquot: Y

Temp: -70 C

 

Storage Location: Serum must be frozen within ONE hour of collection. Spin whole blood and freeze 1.0 mL serum, split between two separate aliquot tubes (two 0.5 mL aliquots). Affix each aliquot with a large Cerner label. Freeze in the -70 C freezer Send Outs rack.

 

Off-site Collection: Spin whole blood, freeze 1.0 mL serum split between two separate aliquot tubes (two 0.5 mL aliquots); each affixed with a large Cerner label. Freeze at -70 C.

Stability

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

Availability

STAT Performed TAT
N Th 3 - 14 d

Performing Laboratory

University of Washington Medical Center

Department of Laboratory Medicine

1959 NE Pacific St, NW220
Seattle, WA 98195
 

Phone Number: (206) 520-4600

Department

Department: Send Outs

Phone Number: (206) 987-2563

CPT Codes

86160, 86161

Methodology

Method: ELISA

Analytical Volume: 0.5 mL Serum in each aliquot

Limitations:

Reference Range

Protein Level   Functional
20 - 40 mG/dL Normal Function > 68%
  Equivocal 41 - 68 %
  Decreased Function < 40%

Send Out Instructions

Reference Test Name: C1 Esterase Inhibitor Panel
Reference Test Number: C1EP
Instructions: Send out Monday through Friday with the UW courier.