| HPAC | high-performance anion-exchange chromatography; hypothalamo-pituitary-adreno-cortical |
|---|---|
| HPCC | health plan purchasing cooperative; high performance computing and communication |
| HPLC | high-performance liquid chromatography; high-power liquid chromatography; high-pressure liquid chrom... |
| HPM | high-performance membrane |
| IOP | improving organizational performance; intraocular pressure |