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C-1 Esterase Inhibitor

C-1-Esterase Inhibitor

Alternate Test Name

C1 Esterase (C1ES) Inhibitor Antigen, Serum

Epic Mnemonic
Sunquest Mnemonic

LAB3242
C1EI

Category

Sendouts

Methodology

Immunonephelometry

Test Performance Schedule

Monday through Saturday

Result Availability

1 - 3 days

Specimen Required

Container

Gold top (SST) or Red top (serum) tube

Volume

Pref. Vol.: 1.0 mL
Min. Vol.: 0.5 mL

Collection Instructions

• Routine Venipuncture
• Immediately after collection, gently invert tube 5-10 times
• Place tube on wet ice
• Clot 30 minutes
• Promptly centrifuge 15 minutes
• Immediately transfer serum to separate plastic tube
• Freeze immediately

Transportation Instructions

Frozen

Stability

After separation from cells:
• Room Temperature: 72 hours
• Refrigerated: 28 days
• Frozen: 28 days

Causes for Rejection

• Grossly lipemic
• Specimens that are not frozen

Remarks

CRITICAL FROZEN – Separate samples must be submitted when multiple tests are ordered

CPT Codes

83883

Effective/Revised

8/19/2019

Clinical Significance

Lorum Ipsum Opsom

 

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