Information about a laboratory test
Low total protein can occur with reduced production, protein loss, inadequate nutrition or other systemic conditions.
Measures the total amount of protein in blood, including albumin and globulins.
Used to help evaluate liver, kidney, nutritional and selected immune/protein-related conditions.
Low total protein can occur with reduced production, protein loss, inadequate nutrition or other systemic conditions.
High total protein may occur with dehydration or increased globulin/protein production.
Start with the performing laboratory's reference interval, unit and specimen conditions. Numeric information on this page is stored as sourced example intervals or clinical thresholds.
>= 6 – <= 8.3 g/dL
Example adult Total Protein reference interval
The source presents these values as a common example reference interval. Laboratory method, age and clinical context can change the range; the user's own report takes priority.
Reference ranges may vary by laboratory, method used, age, sex, pregnancy status, and clinical context. The reference range on your own laboratory report takes precedence.
Total protein should be considered with albumin; globulin fractions or protein electrophoresis may sometimes be needed.
Liver Function Tests — U.S. National Library of Medicine (MedlinePlus)
Government medical reference · 2026 · Liver panel components, purposes, pattern-based interpretation and limitations · Verified: Aug 12, 2026
Comprehensive Metabolic Panel — U.S. National Library of Medicine (MedlinePlus)
Government medical reference · 2026 · Example adult intervals for ALT, AST, ALP, albumin, bilirubin, total protein, BUN, creatinine and electrolytes · Verified: Aug 12, 2026
Albumin Blood (Serum) Test — U.S. National Library of Medicine (MedlinePlus)
Government medical reference · 2026 · Albumin meaning and adult example interval · Verified: Aug 12, 2026
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