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HelpTest 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
TidalHealth Peninsula Regional - 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