HB (Hemoglobin) Abbreviation

What is HB?

HB stands for Hemoglobin, the iron-containing protein in red blood cells that carries oxygen from the lungs to the rest of the body.

Normal Range

  • Men: 13.5 to 17.5 grams per deciliter (g/dL)
  • Women: 12.0 to 15.5 g/dL

What Abnormal Values Mean

  • Low HB: May indicate anemia, blood loss, or nutritional deficiencies
  • High HB: May indicate dehydration, lung disease, or certain blood disorders

Related Terms

  • CBC: Complete Blood Count (includes HB)
  • HCT: Hematocrit (closely related to HB)