Prealbumin (Transthyretin)

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Category:

Turnaround Time: Within 1 day
CPT Code:

84134

Test Type: 1 mL (adult), 0.1 mL (pediatric) Serum
Stability Time:
Temperature Period
Freeze 14 days
Room 14 days  
Refrigerator 14 days  
Freeze/thaw cycles Stable x3
Reference Range:

Age Range (mg/dL) 0 to 30 d 7-39 1 m to 12 y 11-26 13 to 17 y 13-32 18 to 40 y 14-35 41 to 50 y

Age Range (mg/dL)
0 to 30 d 7-39
1 m to 12 y 11-26
13 to 17 y 13-32
18 to 40 y 14-35
41 to 50 y 12-34
51 to 70 y 10-36
>70 y 9-32

Overview:

Evaluate protein malnutrition, total parenteral nutrition, and liver dysfunction. Values are decreased in inflammatory processes, malignancy, protein malnutrition, and protein wasting diseases of the gut or kidney. Values are increased in Hodgkin's disease. Prealbumin is functional in transporting T4 and T3. It is a negative acute phase reactant and has a molecular mass of 54,000.

Heil W, Ehrhardt V. Reference Ranges for Adults and Children. Pre-Analytical Considerations. Rotkreuz, Switzerland: Roche Diagnostics Ltd; 2008:62.

Collection Details:

Collection Instructions:

Red-top tube or gel-barrier tube.

Room temperature.