| Abbreviation | Definition |
|---|---|
| JLCS(OC) | Jefferson Laboratory Complex Staff (OC) |
| JMO | Japanese Maintenance Organization |
| JMPR | Joint FAO/WHO Meeting of Pesticide Residues |
| JP | Japanese Pharmacopoeia |
| JPEG | Joint Photographic Experts Group |
| JPMA | Japan Pharmaceutical Manufacturers Association |
| JRIES | Joint Regional Information Exchange System |
| KCAL | KiloCALories |
| KMT(OC) | Knowledge Management Staff (OC) |
| KOS | Knowledge Organization System |
| KPS | Karnofsky Performance Status scale |
| KS | Kaposi's Sarcoma |
| LACF | Low-Acid Canned Food |
| LAF | Laminar Air Flow |
| LanguAL | Langua Alimentaria (Language of Foods) |
| LAR | Licensing Action Recommendation |
| LARD | Licensing Action Recommendation Document |
| LARM | Licensing Action Recommendation Memorandum |
| LASA | Linear Analog Self-Assessment measure |
| LASIK | Laser ASisted In-situ Keratomileusis |