Now we get to the gold standard: an upper endoscopy with biopsy. They’ll sedate you (yes, you get the good nap), and slide a thin tube with a camera down your throat to grab tiny samples from your small intestine. This is the moment of truth—they look for damaged villi, the finger-like bumps that absorb nutrients.
PPT - Celiac Disease PowerPoint Presentation, free download - ID:2272240
If your villi are flattened or “blunted,” it’s a clear sign of celiac. Yes, it sounds medieval, but it’s actually painless. You’ll wake up with a sore throat and a gold-star diagnosis—or a huge sigh of relief if it’s something else. The biopsy is non-negotiable; no reputable GI doc will diagnose you without it.