0 - 2830 ng/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Days Test Performed
1st and 3rd Thursday of the month
Soft Order Code
C4ades Arg Level (Sendout)
Update Type: CPT Code Change
Updated Date: 04/15/2020
C4ades Arg Level
Mayo FC4A (57800) (National Jewish Health C4AL)
Looking to Order a Test?
We’ve provided helpful links to make ordering easy.
All specimens should be accompanied by a requisition.
Learn about how to properly label and where to ship specimens.
MLabs provides all the supplies necessary for the collection of specimens.
Visit our provider FAQ and learn about common questions to ordering tests.
Must arrive in lab or aliquot and freeze within 30 minutes.
1 mL EDTA plasma
0.5 mL EDTA plasma
Test sent to Mayo Medical Laboratories; performed by National Jewish Health.