Laboratory Services

Albumin

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Updated Test Information:

Test Description
Albumin
Synonym(s)

ALB

Test ID
ALB
General Information

Useful in the evaluation of nutritional status, blood oncotic pressure and in the evaluation of renal disease with proteinuria and other chronic diseases.

Specimen Type

Serum

Specimen Requirements

SST

Alternate Specimen Type

Red top tube, Li-heparin plasma, K2EDTA

Specimen Collection / Processing Instructions

SST - Separate serum or plasma from cells within 45 minutes of collection. If a Red top tube or Green top tube is used, transfer separated serum or plasma to a plastic transport tube.

Minimum Sample Volume

500 uL

Pediatric Min. Volume (if applicable)

500 uL

Stability

2.5 months at 20-25˚C
5 months at 4-8 ˚C
4 months at -20 ˚C

Unacceptable Specimen Conditions

Citrate, oxalate, or fluoride plasma specimens; gross hemolysis; lipemia; improper labeling

Methodology

Colorimetric

Estimated TAT

0-2 days

Testing Schedule

Monday-Saturday

CPT Code(s)

82040

Reference Range

0-4 days: 2.8-4.4 g/dL

4 days-14 years: 3.8-5.4 g/dL

14-18 years: 3.8-5.4 g/dL

Adult: 3.5-5.2 g/dL

Performing Lab

Incyte Diagnostics

LOINC Code(s)

1751-7