Test Code LAB115 Prealbumin, Plasma or Serum
Reporting Title
Prealbumin
Methodology
Roche Diagnostics, Immunoturbidimetric
Prealbumin is produced by liver. It has a 2-day half-life and rapidly decreases with acute liver damage, dietary deficiency, or inflammatory processes.
Performing Laboratory
OhioHealth Laboratory Services-RMH, GMC, DH, and MH Core Laboratories
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Serum
Draw blood in a gold-top serum gel tube(s). Spin down and send 1 mL of serum refrigerated.
Note:
1. A speckled-top serum gel tube (s) or a plain, red-top tube(s) 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 | 3 days |
Ambient | ||
Frozen | 6 months |
Specimen Transport Temperature
Refrigerate/Ambient OK/Frozen OK
Reference Values
20-40 mg/dL
Note: Patients with IgM monoclonal gammopathies may have falsely lowered results.
Day(s) Test Set Up
Monday through Sunday; Continuously
Test Classification and CPT Coding
84134