Test guide

Total Protein and Albumin/Globulin (A/G) Ratio

A total protein and albumin/globulin (A/G) ratio test measures the total amount of protein in your blood. Proteins have many important functions, including giving your body energy, rebuilding muscles, and helping your immune system . Your body might make too much or too little protein if you have certain health conditions.

For everyone & professionalsReviewed 2026-10-18

What it is for

A total protein and A/G ratio test is often included as part of a comprehensive metabolic panel (CMP), a test that measures proteins and other substances in your blood. A total protein and A/G ratio test may also be used to help diagnose kidney disease , liver disease , or nutritional problems. Source: MedlinePlus, National Library of Medicine. Medical test information is public domain. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.

Limitations

Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.

Also known as

  • total serum protein, TP albumin/globulin ratio, Total protein with A/G ratio

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