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Test Code LAB2540 A/G Ratio

Additional Codes

CPT Code: 84165

Methodology

Includes albumin, globulin, and protein, total.

This test is also included in Comprehensive Metabolic Panel (LAB17).

Performing Laboratory

Peninsula Regional Medical Center - Chemistry

Specimen Requirements

Submit only 1 of the following specimens:

 

Plasma
Draw blood in a green-top (lithium heparin) tube. Spin down and send 2 mL of lithium heparin plasma.
Note: 1. Indicate plasma.

2. Label specimen appropriately (plasma).

 

Serum
Draw blood in a gold-top serum gel tube. Spin down and send 2 mL of serum.

Note: 1. Indicate serum.

2. Label specimen appropriately (serum).

Reference Values

ALBUMIN

Males
0-7 days: 2.4-4.9 g/dL

8 days-11 months: 1.2-4.7 g/dL

1-3 years: 3.5-4.7 g/dL

4-6 years: 3.6-5.2 g/dL

7-17 years: 3.8-5.6 g/dL

18-39 years: 3.5-5.0 g/dL

≥40 years: 3.2-5.0 g/dL

Females

0-7 days: 2.4-4.9 g/dL

8 days-11 months: 1.2-4.7 g/dL

1-3 years: 3.5-4.7 g/dL

4-6 years: 3.6-5.2 g/dL

7-17 years: 3.8-5.6 g/dL

18-39 years: 3.5-5.0 g/dL

≥40 years: 3.2-5.0 g/dL

GLOBULIN

2.4-4.3 g/dL

PROTEIN, TOTAL

0-6 days: 4.6-7.0 g/dL
7 days-6 months: 4.4-7.6 g/dL

7 months-11 months: 5.1-7.3 g/dL

1-2 years: 5.6-7.5 g/dL

3-7 years: 6.4-8.2 g/dL

≥18 years: 6.1-7.9 g/dL