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Hemoglobin A1c (HbA1c) with calculated glycated albumin ratio

Published: August 9, 2026Updated: August 16, 2026

This test measures your average blood sugar levels over the past 2–3 months by analyzing hemoglobin A1c and glycated albumin, which reflects how well your blood sugar has been controlled.

Quick summary

["Helps assess long-term blood sugar control beyond a single blood test."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
17855-8
Short code
HbA1c MFr Bld Calc
Synonyms
HbA1c MFr Bld Calc
Category
hematology
Sample
whole-blood
Container
Lavender-top (EDTA)
Units
N/A
Ref low
4
Ref high
5.6
Critical range
2 N/A – 14 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
calculated
CPT
83037
SNOMED
43387009
Specimen volume
3 mL
Stability
Room temperature: 4h, Refrigerated: 24h
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why This Test Matters for Blood Sugar Management

HbA1c alone provides a snapshot of your blood sugar trends over time, but combining it with glycated albumin gives a more comprehensive picture of how consistently your blood sugar has been managed. This test is particularly useful for people with diabetes or prediabetes who want to track both hemoglobin and albumin glycation levels together.

How the Test Works: Analyzing Glycation Markers

The test measures hemoglobin A1c, which attaches to red blood cells and reflects average blood sugar levels over months. It also calculates a ratio involving glycated albumin, a protein in blood that reflects more recent glycation trends (typically the past 2–3 weeks). Together, these markers help identify patterns in blood sugar control that a single HbA1c might miss.

What This Test Can Tell You About Your Health

This test helps identify whether your blood sugar levels have been consistently high or low, which can indicate how well your diabetes management plan is working. It may also reveal subtle shifts in glycation that could signal underlying metabolic changes, such as changes in kidney function or protein metabolism.

Common Reasons for This Test

Your healthcare provider may order this test if you have diabetes and want a more detailed view of your blood sugar control, if you have kidney disease (which can affect albumin levels), or if you’re evaluating how well medications or lifestyle changes are working over time.

Reference range

Normal: 4.0-5.6%N/A

Specimen: whole-blood

Fasting for 8-12 hours required. Water is permitted. Avoid chewing gum and smoking before the test.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Beyond HbA1c Alone

Short name

HbA1c with albumin ratio

Frequently asked questions

What does a high or low glycated albumin ratio mean in this test?
A high glycated albumin ratio may suggest recent spikes in blood sugar levels, which could indicate poor short-term control or conditions like dehydration or stress that temporarily raise albumin glycation. A low ratio might suggest consistently lower blood sugar levels, but this could also reflect factors like malnutrition or certain medications. Always discuss results with your provider, as interpretation depends on your overall health and medical history.
How often should I get this test?
The frequency depends on your health status. People with diabetes may get this test annually or more often if their provider recommends it, especially if they have kidney issues or other complications. If you’re not diabetic but have risk factors (like obesity or family history), your provider may suggest monitoring glycation markers less frequently.
Does this test require fasting?
No fasting is required for this test. Blood is drawn at a convenient time, and the glycated albumin ratio is calculated based on your blood sample’s protein content, not just blood sugar levels at one moment.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy