A1C result categories
Question
A nurse reviews A1C results from a screening clinic. For each result, select the category into which it falls using the percentages commonly used for diagnosis.
| Row | Normal | Prediabetes | Diabetes |
|---|---|---|---|
| A1C 5.4% | ✓ Correct | Not correct | Not correct |
| A1C 5.9% | Not correct | ✓ Correct | Not correct |
| A1C 6.4% | Not correct | ✓ Correct | Not correct |
| A1C 6.8% | Not correct | Not correct | ✓ Correct |
Answer
A1C 5.4%: Normal · A1C 5.9%: Prediabetes · A1C 6.4%: Prediabetes · A1C 6.8%: Diabetes
Rationale
The A1C percentages commonly used for diagnosis are: normal below 5.7%, prediabetes from 5.7% to 6.4%, and diabetes at 6.5% or higher. A result of 5.4% is normal, 5.9% and 6.4% are in the prediabetes range, and 6.8% is in the diabetes range. These ranges are a guide, and providers often confirm a high result with another A1C or a fasting glucose or oral glucose tolerance test.
Sources
Sources marked “Adapted from” are licensed under CC BY 4.0. We changed the material: its facts are rewritten into an original question, answer options and rationale. The original authors and publishers do not endorse SwipeExam.
- Hemoglobin A1C (HbA1c) Test
- A1C (MedlinePlus health topic)
- Adapted from Open RN Health Alterations: Chapter 7 Endocrine Alterations
- Prediabetes (MedlinePlus health topic)
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