| HBA1 | glycosylated hemoglobin |
|---|---|
| HBAb | hepatitis B antibody |
| HBABA | hydroxybenzeneazobenzoic acid |
| HBAC | Home Birth After Cesarean |
| HBAg | hepatitis B antigen |
| HBB | hemoglobin beta-chain; hospital blood bank; hydroxybenzyl benzimidazole |
| HbBC | hemoglobin binding capacity |
| HBBW | hold breakfast blood work |
| HBC | hereditary breast cancer |
| HbC | hemoglobin C |