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HelpTest Code LAB118 Protein, Total, Plasma or Serum
Reporting Title
Total Protein
Methodology
Roche Diagnostics, Biuret- RMH, GMC, DH, DMH, GMH, WECC, PMC, GCMH, BH, OBH, MGH, MH, HMH, SH
Protein levels are affected by a wide variety of liver, kidney, bone marrow, metabolic, and nutritional disorders.
Performing Laboratory
OhioHealth Laboratory Services-RMH,GMC,DH,DMH, MGH, GMH, HMH, WECC, PMC, OBH, MH, SH, GCMH, BH Core Laboratories
Specimen Requirements
Collection Instructions:
1. Serum and Plasma gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged and aliquoted within 2 hours of collection.
Submit only 1 of the following specimens:
Preferred:
Serum
Draw blood in a gold-top gel tube(s). Spin down and send 1 mL of serum refrigerated.
Note:
1. A speckled-top serum gel tube(s) or plain red-top is also acceptable. .
2. Indicate serum on request form.
3. Label specimen appropriately (serum).
Alternate:
Plasma
Draw blood in a mint green-top (heparin) gel tube(s). Spin down and send 1 mL of heparinized plasma refrigerated.
Note: 1. Indicate plasma on request form.
2. Label specimen appropriately (plasma).
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum or plasma | Refrigerated | 1 month |
| Ambient | ||
| Frozen | 6 months |
Specimen Transport Temperature
Refrigerate/Ambient OK/Frozen OK
Reference Values
0-6 days: 4.6-7.0 g/dL
7-8 days: 4.6-7.6 g/dL
9 days-7 months: 5.0-7.5 g/dL
8 months-1 year: 5.1-7.3 g/dL
2-3 years: 5.6-7.5 g/dL
>4 years: 6.0-8.0 g/dL
Note: Protein, total is 0.4-0.8 g/dL lower when a patient is recumbent than it is when patient is upright.
Day(s) Test Set Up
Monday through Sunday; Continuously
Test Classification and CPT Coding
84155