Glucose (Serum) with Beta-Blocker Medication Adjustment
This test measures your blood glucose level in serum after accounting for recent adjustments to beta-blocker medications. It helps healthcare providers assess how your body responds to these medications on glucose metabolism.
This test helps monitor how beta-blockers may affect your blood sugar levels, ensuring safe and effective treatment.
Key facts at a glance
- LOINC
- 53475-0
- Short code
- Glucose pre betaxolol SerPl-sCnc
- Synonyms
- Glucose pre betaxolol SerPl-sCnc
- Category
- glucose
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 70
- Ref high
- 100
- Critical range
- 50 N/A – 400 N/A
- Fasting
- true
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 82947
- SNOMED
- 260395008
- 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 This Test Is Done
Your doctor may order this test if you’re taking beta-blockers, a class of medications often used to manage high blood pressure, heart conditions, or other cardiovascular issues. Beta-blockers can sometimes influence blood sugar levels, so this test helps track how your glucose is being managed in your bloodstream.
What to Expect Before the Test
No special preparation is typically required, but you may be asked to fast for 8–12 hours before the test if it’s part of a fasting glucose panel. If you’re on beta-blockers, your doctor may provide specific instructions to ensure accurate results.
How the Test Is Performed
A blood sample is drawn from a vein, usually in your arm. The sample is sent to a lab where it’s analyzed for glucose concentration using an immunoassay method. The results are then adjusted based on your recent beta-blocker medication changes.
What the Results Mean
This test provides a snapshot of your glucose level in serum, but it’s not a standalone diagnosis. Your doctor will interpret the results in the context of your overall health, other medications, and symptoms. Elevated or low glucose levels may signal underlying conditions that need further evaluation.
Reference range
Fasting: 70-100 mg/dLN/A
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.
Beta-blockers can sometimes mask symptoms of hypoglycemia (low blood sugar) or alter glucose metabolism, making this test important for patients with diabetes, prediabetes, or those on other glucose-affecting medications. It helps prevent complications like uncontrolled blood sugar swings, which can impact heart health and energy levels.
Short name
Glucose Level (Serum) Post-Treatment Adjustment
Frequently asked questions
How long does it take to get my results?
Can I eat or drink before this test?
Will this test affect my beta-blocker dose?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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