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A member asked:
My 14yo has c3 level is 71, c4 is 13, c50 is 60. alkaline phosphatase plasma low 72. because total complement was ok, we were told she is fine?? family history of lupus. she has face rash, cold hands turning purple, low energy. should i worry?
2 doctors weighed in across 2 answers
Always send normal values with labs. The vary by lab.
Answered 5/13/2023
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Her complement 3 & 4 and alkaline phosphatase level are low for for her age. Low C3, 4 level along with her symptoms warrants further evaluation.
Answered 5/15/2023
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