Hemoglobin (Hb)

Complete Blood Count

Normal Reference Ranges

Adult

Male: 13.8 - 17.2 | Female: 12.1 - 15.1 g/dL

Pediatric

Newborn: 14-24 | Child: 11-16 g/dL

Clinical Significance

Oxygen-carrying protein in red blood cells. Crucial for assessing anemia and oxygen delivery to tissues.

Causes of High

  • Polycythemia vera
  • Chronic hypoxia (COPD)
  • Dehydration
  • High altitude

Causes of Low

  • Anemia
  • Bleeding
  • Iron deficiency
  • Kidney disease
  • Bone marrow failure