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Laboratory Medicine

Test Directory / Total Protein

Total Protein

Brown clotted serum, gel barrier or lithium heparin

TestTotal Protein
Common AbbreviationsTP
Tube typeBrown clotted serum, gel barrier or lithium heparin
Clinical IndicationThe total serum protein is the sum of all circulating proteins and is a major component of blood. Measurements of total protein are used in the diagnosis and treatment of a variety of diseases involving the liver, kidney and bone marrow as well as other metabolic and nutritional disorders. Levels are also useful in when measured when assessing the livers synthetic capacity, determining the state of hydration and when screening for myeloma.
Specimen TypeBlood
Sample typeSerum or plasma
Minimum Volume0.5mL If requesting more than 10 tests please send an additional brown clotted serum sample.
Special PrecautionsNo special requirements
Stability4 weeks at 2-8°C
Turnaround TimeUrgent: 2 hours Inpatient: 4 hours Outpatient/ GP: 24 hours
LaboratoryYork and Scarborough
Reference Interval60 -80 g/L (Recommended by the Pathology Harmonisation Reference Group)
LimitationsHaemolysed and icteric samples are not suitable for analysis.
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