Home > Miscellaneous > Miscellaneous > A1C Chart > How To Interpret The A1C Test

How To Interpret The A1C Test


How To Interpret The A1C Test
How To Interpret The A1C Test
12%
11%
10%
9%
8%
7%
6%
Persons with uncontrolled diabetes face heart disease,
kidney failure, blindness, neuropathy, limb amputation,
sexual dysfunction, and premature death.
Studies have shown even high levels of A1C can be
brought down to 7% or below with intensive therapy.
1
Reducing A1C by just 1 point (e.g. from 9% to 8%)
reduces risk of microvascular complications by 25% in
type one diabetes (DCCT).
1
Reducing A1C by just 1 point (e.g. from 8% to 7%)
reduces risk of microvascular complications by 35% in
type two diabetes (UKPDS).
1
Keeping A1C under 7% significantly reduces risk of
retinopathy and nephropathy.
Lower A1C values are better for the health of patients
with diabetes.
345
310
275
240
205
170
135
Frequent hypoglycemia with rebound hyperglycemia
Hemolytic anemia, blood loss
Pregnancy
Certain hemoglobinopathies
Taking a careful history and reviewing the patient’s home
monitoring log can help resolve discrepancies between measured
A1C, glucose levels, and clinical symptoms.
Test if indicated.
Follow specific guidelines for managing diabetes in pregnancy.
Trending may be more valuable than absolute values. Monitor
symptoms and glucose testing records closely.
1
Source: Diabetes Care 27:S15-S35, 2004.
How To Interpret the A1C Test
P.O. Box 3548
Albuquerque, NM 87190
(866) 796-9121
(505) 796-9121
An A1C of…
Equals an average plasma
glucose (mg/dl) of…
Clinical Correlations
Implications
Causes of unexpectedly low A1C
How To Interpret The A1C Test