A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
Protein, Total, Serum
Test Code754
CPT Codes
84155
Preferred Specimen
1 mL serum collected in a serum separator tube (SST)
Minimum Volume
0.5 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Plasma
Methodology
Spectrophotometry (SP)
Setup Schedule
Set up: Daily; Report available: Next day
Reference Range
Male (g/dL) | Female (g/dL) | ||||
<1 Month | 4.1-6.3 | 4.2-6.2 | |||
1-5 Months | 4.7-6.7 | 4.4-6.6 | |||
6-11 Months | 5.5-7.0 | 5.6-7.9 | |||
1-19 Years | 6.3-8.2 | 6.3-8.2 | |||
≥20 Years | 6.1-8.1 | 6.1-8.1 |
Clinical Significance
Total protein is useful in evaluating patients for nutritional status, liver disease, protein-losing renal and gastrointestinal diseases, and many other medical conditions. Elevated concentrations may be observed in patients with monoclonal gammopathies, autoimmune hepatitis, inflammation, and other medical conditions.
Performing Laboratory
Quest Diagnostics Nichols Institute |
14225 Newbrook Drive |
Chantilly, VA 20153 |