These findings suggest that C3a and C4a may be useful markers of Lyme disease in patients seen shortly after tick bite, even in those without EM (rash). "
"may be" is the key. This is not for sure, as there are many opinions on both of these as for the cause of elevation. Even autoimmune and candida is thought to make these rise.
This is best in company of other tests. CD57 is another which is usually low in lyme, but they are not sure of all illnesses which can lower it.
Have you had western blot tested? Did you ever have a bullseye rash?
Post Edited (astroman) : 12/25/2017 9:28:18 PM (GMT-7)