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Liver Function (LFTs)

Albumin, Serum

Normal range 3.5-5 g/dL (35-50 g/L SI). Specimen: Serum.

Also known as: serum albumin.

3.5-5 g/dLReference range

Reference range

Conventionalg/dL
3.55
SIg/L
3550

Combined adult band. LabVals does not publish separate men's, women's, or pediatric ranges for Albumin, Serum; those can be narrower than the band shown.

Albumin, Serum reference range, specimen, and conversion details
SpecimenSerum
Conventional range3.5-5 g/dL
SI range35-50 g/L
Conversion factor×10 (conventional → SI)
PanelLiver Function (LFTs)

Convert any Albumin, Serum result between units on the unit converter.

What is the normal range for Albumin, Serum?

The standard teaching reference range for Albumin, Serum is 3.5-5 g/dL in conventional units, or 35-50 g/L in SI units. This value is measured in serum.

Source: Adult reference values compiled from Pagana & Pagana, Mosby's Diagnostic and Laboratory Test Reference, and Fischbach & Dunning, A Manual of Laboratory and Diagnostic Tests. Reference ranges vary by laboratory, method, age, sex, and population - always use the range printed on the actual result.

At the bedside

Nursing considerations

  • Reflects longer-term nutrition and hepatic synthesis (half-life ~20 days).
  • Low albumin lowers total calcium and worsens edema.
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