| EMT-W | emergency medical technician-wilderness |
|---|---|
| HT | Hashimoto thyroiditis; hearing test; hearing threshold; heart; heart transplantation, heart transpla... |
| HT(ASCP) | Histologic Technician certified by the American Society of Clinical Pathologists |
| MFST | Medical Field Service Technician |
| MLT | left mentotransverse [fetal position] [Lat. mento-laeva transversa]; mean latency time; median letha... |