Ordering Recommendation
Mnemonic
PREALB
Methodology

Immunoturbidimetry

Performed

Sun-Sat

Reported

Within 24 hours

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation

Fasting specimen preferred.

Collect

Serum separator tube. Also acceptable: lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin).

Specimen Preparation

Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Hemolyzed specimens.

Remarks
Stability

After separation from cells: Ambient: 8 hours; Refrigerated: 72 hours; Frozen: 6 months

Reference Interval

0-30 days                      7.0-39.0 mg/dL  
1 month-5 months       8.3-34.0 mg/dL  
6 months-6 years        11.0-23.0 mg/dL  
7-9 years                      14.3-34.5 mg/dL  
10-11 years                  15.8-40.2 mg/dL  
12-13 years                  17.8-36.8 mg/dL  
14-15 years                  19.1-37.6  mg/dL  
16-17 years                  19.6-42.8 mg/dL  
18 years and older      20.0-40.0 mg/dL 

Interpretive Data



Compliance Category

FDA

Note

This protein is also known as transthyretin.

Hotline History
N/A
CPT Codes

84134

Components
Component Test Code* Component Chart Name LOINC
0050435 Prealbumin 14338-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Transthyretin
Prealbumin, Serum