Section Thickness Quick Guide

1. Routine H&E — 3–5 µm
2. IHC — 3–4 µm (consistent)
3. Amyloid (Congo red) — 8–10 µm
4. Renal biopsy — 2–3 µm
5. Frozen section — 5–8 µm
6. Keep thickness consistent between staff

Adjust to your protocols and pathologist preference.