Liver
Total Protein
LOINC 2885-2 · g/dL
Ranges
Reference range: 6–8.3 g/dL
What it is
Total protein measures all the protein in your blood, mainly albumin and globulins together.
Why it matters
It gives a broad picture of nutrition, liver and kidney function and immune-related proteins.
What high values can mean
A higher value can reflect dehydration or increased production of certain proteins.
What low values can mean
A lower value can relate to liver or kidney issues, malnutrition or malabsorption.
How to improve it
Care addresses the underlying cause; adequate nutrition supports healthy protein levels.
Food & lifestyle
A balanced diet with sufficient protein helps; the albumin/globulin breakdown adds more detail.
Preparing for the test
Often part of a metabolic or liver panel; fasting is not specifically required — follow your lab.
When to talk to a doctor
An abnormal total protein is interpreted by a doctor with albumin and other tests.
Related markers
Sources
- MedlinePlus (NIH)
- Testing.com (AACC)
Content reviewed on June 26, 2026
Medical disclaimer
This content is for educational purposes only. It is not medical advice and does not diagnose, treat, or prevent any condition. Reference ranges vary between laboratories — always use the range printed on your report and discuss your results with a healthcare professional.
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