Hemoglobin A1c
EndocrineNormal range
< 5.7% normal · 5.7–6.4% prediabetes · ≥ 6.5% diabetes · goal on treatment usually < 7%
☎ When to call
Never an on-shift escalation — it shapes the discharge plan and education.
What you do
- The 3-month story — use it for teaching conversations, not shift decisions
- Rough mapping: 7% ≈ 154 mg/dL average; each +1% ≈ +29 mg/dL
Causes of HIGH hemoglobin a1c
Causes of LOW hemoglobin a1c
Source: ADA Standards of Care; Pagana, 7th ed.Reference only — verify against your facility's policy.
