Glucose, Plasma (High-Performance Liquid Chromatography Method)
This test measures the amount of glucose (sugar) present in your blood plasma. It helps monitor blood sugar levels, often used in diabetes management or to assess metabolic health.
["This test helps track blood sugar levels for conditions like diabetes or metabolic disorders."]
Key facts at a glance
- LOINC
- 1494-4
- Short code
- Glucose 1.5h p 100 g Glc PO SerPl-mCnc
- Synonyms
- Glucose 1.5h p 100 g Glc PO SerPl-mCnc
- 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 Is This Test Done?
Your healthcare provider may order this test to check for diabetes, monitor blood sugar control in people with diabetes, evaluate metabolic disorders, or assess how your body processes glucose. It can also be used in research or specialized clinical settings to measure glucose concentration in plasma samples.
How Is the Sample Collected?
A small amount of blood is drawn from a vein, usually in your arm, and sent to a lab. The blood is processed to separate plasma, which is then tested for glucose levels using high-performance liquid chromatography (HPLC).
What Does the Result Mean?
The result provides the concentration of glucose in your plasma. While reference ranges vary by lab and method, this test helps determine if your blood sugar is within normal limits or if further action is needed.
Common Reasons for Abnormal Results
High glucose levels may indicate diabetes, poor blood sugar control, or other metabolic issues. Low levels could suggest hypoglycemia or certain medical conditions. Your doctor will discuss results in the context of your overall health.
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.
Glucose in plasma is a critical marker for diagnosing and managing diabetes, metabolic syndrome, and other conditions affecting blood sugar regulation. It helps doctors track how well treatments are working and identify risks for complications like nerve damage or heart disease.
Short name
Plasma Glucose
Frequently asked questions
How often should I expect this test?
What can affect my test results?
Do I need to prepare for this test?
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