Prealbumin

Test Code

4847

CPT Codes
84134

Preferred Specimen

1 mL serum

Minimum Volume

0.5 mL

Transport Container

Plastic screw-cap vial

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 4 months

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic

Methodology
Immunoturbidimetric Assay

Setup Schedule

Setup: Mon-Sat p.m.; Report available: Next day

Reference Range

≤5 Days	6-21 mg/dL
6 Days-12 Months	Not established
1-5 Years	14-30 mg/dL
6-9 Years	15-33 mg/dL
10-13 Years	20-36 mg/dL
14-17 Years	22-45 mg/dL
Adult Males	21-43 mg/dL
Adult Females	17-34 mg/dL

Clinical Significance

Prealbumin is decreased in protein-calorie malnutrition, liver disease, and acute inflammation. It may be used as an indicator of nutritional requirements and response to therapy during total parenteral nutrition and as a biochemical marker of nutritional adequacy in premature infants.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.