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Hemoglobin A1c (HbA1c) with 24-Hour Urine Collection for Glycosylated Albumin Ratio

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

This test measures how well your blood sugar has been controlled over the past few months by analyzing two proteins in your blood: hemoglobin A1c and glycosylated albumin. It helps assess long-term glucose levels, especially useful for people with diabetes.

Quick summary

["This test helps track diabetes management by combining short-term (HbA1c) and long-term (glycosylated albumin) glucose trends."]

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

Key facts at a glance

LOINC
71510-2
Short code
MEDICAIDCERTIFIEDSTATIONS
Synonyms
—
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
esrd
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

Why HbA1c Alone Isn’t Enough

HbA1c reflects average blood sugar levels over the past 2–3 months, but it may not always reflect recent glucose fluctuations well. Glycosylated albumin, measured in urine, provides a snapshot of more recent glucose exposure (typically the past 5–7 days). Together, they offer a broader picture of your blood sugar control.

How This Test Works

Your blood is drawn to measure hemoglobin A1c, while a urine sample checks for glycosylated albumin. The results are compared as a ratio to evaluate overall glucose management over time.

What to Expect Before the Test

No special preparation is needed for HbA1c, but for the urine glycosylated albumin test, you may be asked to collect a 24-hour urine sample. Follow your healthcare provider’s instructions carefully to ensure accurate results.

What the Results Mean

The ratio of glycosylated albumin to HbA1c helps identify patterns in blood sugar control. For example, a high ratio might suggest recent spikes in glucose levels, while a low ratio may indicate better recent control. Your provider will interpret these results in the context of your overall health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance: Beyond HbA1c

Short name

HbA1c + Glycosylated Albumin Ratio

Frequently asked questions

Why might my provider order this test?
Your provider may use this test to assess how well your diabetes is managed, especially if you experience frequent blood sugar fluctuations or if HbA1c alone doesn’t fully explain your symptoms. It can also help identify if recent glucose levels have been consistently high or low.
What does a high or low ratio indicate?
A high ratio may suggest recent hyperglycemia (high blood sugar), while a low ratio might indicate recent hypoglycemia (low blood sugar) or better overall glucose control. Always discuss results with your healthcare provider, as interpretations depend on your individual health profile.
Can I adjust my diet or medication based on this test alone?
No. This test provides a snapshot of glucose trends but isn’t a standalone decision for diet or medication changes. Your provider will integrate these results with your clinical picture, including symptoms, other tests, and treatment goals, to guide recommendations.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

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