Reference Interval:
Effective April 2, 2012
59 percent normal or greater
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| Interpretive Data: |
This test is intended for screening of functional activity of the alternative pathway of the complement system. Abnormal test results can be due to hereditary absence or acquired functional defect in the activity of any of the individual components of the alternative pathway. If test result is abnormal, order specific tests for evaluation of individual components of alternative pathway, including Complement Factor B (ARUP test code 0051720), Complement Factor Bb (ARUP test code 2003042), and Complement Component 3 (ARUP test code 0050150).
Refer to Statement D under Testing Information at http://www.aruplab.com.
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| CPT Code(s): |
86162
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Cross References: |
Alternative Complement Pathway (Complement Activity, Alternative Pathway (AH50)), Alternative Complement Pathway Function (Complement Activity, Alternative Pathway (AH50)), Alternative Pathway - Complement (Complement Activity, Alternative Pathway (AH50)) |