---
topic: Celiac + Autoimmune Gastritis + Malabsorption Screen
tags: [celiac, autoimmune-gastritis, malabsorption, iron, b12, bloating, iga, archived]
priority: archived
last_updated: 2026-05-10
confidence: preserved
abstract: >-
  Celiac and autoimmune-gastritis triggers, local test availability, and testing boundaries are now folded into Iron, B12 & Malabsorption.
---

# Celiac + Autoimmune Gastritis + Malabsorption Screen — archived pointer

This page is preserved as an old anchor. The active guidance has moved to [Iron, B12 & Malabsorption](#sec-ferritin).

Original content was archived before consolidation at `archive/iron-b12-malabsorption-originals-2026-05-10.md`.

Use the canonical owner for current iron thresholds, oral iron dosing/timing, B12 follow-up, celiac/autoimmune-gastritis triggers, local test availability, and evidence links.