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Total Protein With A/G Ratio
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
AGR
Alias/See Also
70114
CPT Codes
84155;82040
Preferred Specimen
serum
Minimum Volume
1 mL
Other Acceptable Specimens
plasma from Lithium Heparin (Light Green Top) tube
Instructions
Barrier tubes (serum separator tubes or plasma separator tubes) are preferred. If non-barrier tubes are utilized, the serum/plasma must be removed immediately after centrifuging and placed in a screw-cap transfer tube.
Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.
Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.
Collection notes: Avoid hemolysis. Invert tubes at least 8 times. Allow to clot in an upright position for 30 minutes. Within 2 hours, centrifuge tubes 10 minutes. Keep tightly stoppered.
Do NOT re-centrifuge tubes. Do NOT freeze the primary collection tube.
Transport Container
Original tube preferred, may be sent in a screw-top transfer tube.
Transport Temperature
Room Temperature or Refrigerated
Specimen Stability
Room Temperature = 5 days
Refrigerated = 5 days
Frozen = 6 months
Refrigerated = 5 days
Frozen = 6 months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Lipemia, incorrect specimen type, insufficient sample volume, improper storage conditions, exceeds specimen stability guidelines, contaminated sample.
Methodology
see individual tests
Setup Schedule
24/7
AU
AU
Report Available
daily
Clinical Significance
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.
Performing Laboratory
CompuNet Clinical Laboratories, LLC
2308 Sandridge Drive
Moraine, OH 45439
Last Updated: November 23, 2021