C1- inhibitor

One of the six major protease inhibitors of blood; it inhibits clotting factors XIa, XIIa and plasma kallikrein, but not Xa and plasmin.

For more information, please view the Complement System website.

C1 inhibitor results in the lower reference range limit of suggests hereditary angioedema type 1 (HAE type 1) and should primarily lead to new tests for verification of the result, and then further investigation for the final determination of diagnosis (including without additional investigation of other complement factors).

Read more about sampling

Packages and other tests

View other packages Hereditary angioedema (HAE) (571). View other tests C1q, C3, C4, C3d, C4d

Own immunologist