C1 esterase inhibitor quantitative test

C1 ESTERASE INHIBITOR QUANTITATIVE TEST

DESCRIPTION – diagnosis of C1 esterase inhibitor deficiency. The C1-INH test assesses you for hereditary angioedema. The C1-INH test is also used to learn how you are responding to treatment for autoimmune diseases, such as systemic lupus erythematosus. A blood sample is taken. This is most often taken through a vein.

METHODOLOGY – immune-turbidimetry

TURN AROUND TIME – 1-4 days

SPECIMEN REQUIERED –

COLLECT – serum separator tube

SPECIMEN PREPARATION – separate the serum from cells within 2 hours of collection. Transfer three 1 ml aliquots of serum to individual transport tube and freeze immediately

STORAGE/TRANSPORT TEMPERATURE – critical frozen

STABILITY – refer to individual component

UNACCEPTABLE CONDITION – non-frozen specimens

SPECIAL INSTRUCTIONS – clinical history is mandatory