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Protein, Total and Albumin
To view specimen requirements and codes please Select a regional laboratory.Not sure which laboratory serves your office? Call us 866-MYQUEST (866-697-8378)
**IMPORTANT: CPT Code is informational only; obtain the Test Code for ordering.
Total Protein, Albumin, Globulin (calculated), Albumin/Globulin Ratio (calculated)
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|Protein, Total, Serum|
|Male (g/dL)||Female (g/dL)|
|g/dL (calc)||g/dL (calc)|
|Albumin/Globulin Ratio||1.0-2.5 (calc)|
The major proteins seen in the serum are albumin and globulin-the latter being primarily alpha 1 and alpha 2 globulin, beta globulin and gamma globulin. Albumin accounts for more than 50% of the total serum proteins. The albumin to globulin (A/G) ratio has been used as an index of disease state, however, it is not a specific marker for disease because it does not indicate which specific proteins are altered. The normal A/G ratio is 0.8-2.0. The A/G ratio can be decreased in response to a low albumin or to elevated globulins. Total globulins may be increased in some chronic inflammatory diseases (TB, syphilis) multiple myeloma, collagen disease, and rheumatoid arthritis. Decreased levels are seen in hepatic dysfunction, renal disease and various neoplasms.
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.