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Test Code C1EINH C-1 Esterase Inhibitor  

Important Note

Aids in diagnosis of hereditary angioedema and monitoring response to therapy
 

Additional Codes

50140

Specimen Type

Blood

Preferred Collection Container

SST

Acceptable Collection Container

SST, R-NoGel
 

Collection Instructions

Separate serum from cells ASAP or within 2 hours of collection.
 

Collection Volume

2.0 mL

Minimum Collection Volume

1.0 mL

Testing Volume

0.5 mL

Rejection Criteria

Ambient. Grossly hemolyzed and/or lipemic specimens

Specimen Storage and Stability

Ambient: Unnacceptable; Refrigerated: 14 days; Frozen: 1 month
 

Day(s) and Time(s) Performed

Sunday through Saturday
 

EPIC Code

LAB2482

Transport

Refrigerated

Turn Around Time

2-5 days

Lab Department

Referred Testing

Methodology

Quantitative Turbidity
 

Test Alias

50140; C1ES, C1 esterase inhibitor; C1 Esterase Inhibitor Antigen; C1 Inactivator; C1 Inhibitor; HAE; Hereditary Angioedema
 

CPT Coding

86160

LOINC

4477-6