Albumin (403)

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Category:

CPT Code:

82040

Test Type: Serum Kit Based
Stability Time:

Stability

Refrigerated: 5 months

Reference Range:
Age Low Normal High
Adults <3.5 g/dL 3.5 – 5.2 g/dL >5.2 g/dL
Children

 

(14-18 yr)

 <3.2 g/dL 3.2 – 4.5 g/dL >4.5 g/dL
Children

 

(<14 yr)

 <3.8 g/dL 3.8 – 5.4 g/dL >5.4 g/dL

Overview:

Albumin is the major plasma protein responsible for regulating plasma osmotic pressure as well as providing transport for large organic anions and some drugs. This test measures the amount of albumin in plasma.

  • Elevated levels associated with dehydration
  • Decreased levels associated with:
    • Liver disease
    • Chronic disease
    • Reduced protein intake
    • Increased catabolism due to tissue damage or inflammation
    • Malabsorption of amino acids
    • Nephrotic syndrome
    • Protein loss via stool in neoplastic disease

Methodology - Colorimetric Principle

Collection Details:

Collection Instructions:

Preferred Specimen

1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST/Tiger Top)

Transport Temperature

Refrigerated (ship on frozen cold packs)