Test Code HGB Hemoglobin, Blood
Methodology
Automated Hematology AnalyzerUseful for evaluation of anemia, blood loss, hemolytic anemia, polycythemia, and other conditions.
Performing Laboratory
St. Clair Hospital LaboratorySpecimen Requirements
1 lavender-top (EDTA) tube (3 mL of EDTA whole blood).Reference Values
Males0 days: 15.0-22.5 g/dL
7 days: 15.4-20.5 g/dL
30 days: 10.7-17.1 g/dL
60 days: 9.0-14.0 g/dL
6 months: 10.0-15.0 g/dL
1 year: 10.5-14.6 g/dL
4 years: 11.0-14.0 g/dL
12 years: 11.5-16.5 g/dL
≥14 years: 14.0-17.0 g/dL
Critical values (automatic call-back): <7.5 g/dL or >20.0 g/dL
Females
0 days: 15.0-22.5 g/dL
7 days: 15.4-20.5 g/dL
30 days: 10.7-17.1 g/dL
60 days: 9.0-14.0 g/dL
6 months: 10.0-15.0 g/dL
1 year: 10.5-14.6 g/dL
4 years: 11.0-14.0 g/dL
12 years: 11.5-16.5 g/dL
≥14 years: 12.0-16.0 g/dL
Critical values (automatic call-back): <7.5 g/dL or >20.0 g/dL