| Abbreviation | Definition |
|---|---|
| ALA | Amoebic Liver Abscess |
| ALB | Albumin |
| ALC | Approximate Lethal Concentration |
| ALD | Alcoholic Liver Disease |
| ALG | Antilymphocytic Globulin |
| ALHYDROX | Aluminum Hydroxide |
| ALI | Acute Lung Injury |
| ALIC | AirLiquid Interface Culture |
| ALIC | Air–Liquid Interface Culture |
| ALK | Alkaline |
| ALK | Automated Lamellar Keratoplasty |
| ALKPHOS | Alkaline Phosphatase |
| ALL | Allergy |
| ALLN | Anterior Lateral Line Nerve |
| ALMI | Anterior Lateral Myocardial Infarction |
| ALP | Alkaline Phosphatase |
| ALS | Absolute Loss Of Sense |
| ALS | Acute Lumbar Strain |
| ALS | Advanced Life Support |
| ALS | Aldolase |