C1 Esterase Inhibitor
Abbrev Code: | C1INH | ||
Order Code: | LAB3345 | Order Name: | C1 Esterase Inhibitor Total |
Synonyms: | Complement 1 Esterase Inhibitor, Quantitation | ||
Methodology: | Turbidimetric | ||
CPT Codes: | 86160 x1, 86160 x12 | ||
Turnaround Time: | Specimens are sent to reference laboratory Sun-Sat; results are reported in 1-4 days. | ||
Compliance: | This test uses an in vitro diagnostic (IVD) that has been cleared or approved by the FDA. |
Collection Instructions
Specimen: | Blood |
Optimal Volume: | 2 mL |
Minimum\Peds Volume: | 1.2 mL |
Container: | Red or gold (gel) Alternate Containers: Red (no gel) |
Causes for Rejection: | Room temperature specimen; grossly hemolyzed or lipemic specimen. |
Processing and Shipping
Specimen Processing: | Centrifuge and aliquot ASAP or within 2 hours of collection, 1 mL, 0.5 mL minimum. Store refrigerated. |
Shipping Instructions: | Ship refrigerated. |
Stability: | Unacceptable at room temperature; 14 days refrigerated; 1 month frozen. |
Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
Referral Lab number: | 50140 |
Interpretive
Reference Range: | 21-38 mg/dL |
Use: | A deficiency of functionally active component of C1-INH may lead to life-threatening angioedema. Two major forms of C1-INH deficiency have been reported: the congenital form and the acquired form. In the congenital form, termed hereditary angioedema (HAE), there is a quantitative deficiency in C-1-esterase inhibitor. |
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