Analytic Time
2 - 7 days
MiChart Code
Complement, Total Alternative Path (AH50)
Soft Order Code
AH50
Test Updated:
Synonyms
Complement AH50
AH50
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Test Overview
Test Methodology
Enzyme-Linked Immunosorbent Assay (ELISA)
Test Usage
The AH50 assay is a useful screening tool for homozygous deficiencies of Alternative Pathway components including C3, factor I, factor B, properdin, factor H and factor D.
Reference Range
> or = 45% of normal
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Billing Information
CPT Code
86161
Pro Fee Code
LOINC
13087-2