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Broadest draw-site network nationwide.
Quest Diagnostics
Same-day appointments in most metros.
This test is coming soon at Quest Diagnostics.
TGF-ฮฒ1 (Transforming Growth Factor Beta 1) is a cytokine involved in cell growth, immune regulation, and tissue repair. Elevated levels may indicate chronic inflammation, fibrosis, or immune system dysregulation, and it is often assessed in conditions such as mold illness, chronic fatigue, and Lyme disease.
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