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A member asked:
C3 was 136 and my c4 was 36.9. my doc suspects lupus or sarcoidosis. do these results sway towards either?
A doctor has provided 1 answer
C3/c4: C3 and C4 levels usually reduced in lupus but increase in active sarcoidosis. It is difficult to confirm the diagnosis basing on only C3 and c4.
Answered 1/28/2017
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