| Abbreviation | Definition |
|---|---|
| LMM | Lentigo Maligna Melanoma |
| LMM | Locator Middle Marker |
| LMN | Lower Motor Neuron |
| LMO | Local Medical Officer |
| LMOAC | Local Medical Officer Advisory Committee |
| LMP | Last Menstrual Period |
| LMP | Low Malignant Potential |
| LMP | Low Malignant Potential (context: ovarian tumours) |
| LMR | Laser Magnetic Resonance |
| LMR | Left Medial Rectus |
| LMRI | Laboratoire de Mesure des Rayonnements Ionisants |
| LMSW | Load Machine Status Word |
| LMSW | Licensed Master Social Worker |
| LMT | Licensed Massage Therapist |
| LN | Liquid Nitrogen |
| LN | Line Number |
| LN | Lymph Node |
| LN2 | Liquid Nitrogen |
| LNC | Legal Nurse Consultant |
| LNK | Link |
| LNTX | Long-chain Neurotoxin |
| LO | Lateral oblique |
| LOA | Left Occipitoanterior |
| LOAEL | Lowest Observed Adverse Effect Level |
| LOC | Line of Control |
| LOC | Letter of Credit |
| LOC | Level Of Consciousness |
| LOC | Loss Of Consciousness |
| LOC | Loss Of Consciousness, Level Of Care |
| LOC | Lost Of Consciousness |
| LOCK | Lock the Bus |
| LODS | Load String |
| LODSB | Load String Byte |
| LODSD | Load String Doubleword |
| LODSW | Load String Word |
| LOH | Loss Of Heterozygosity |
| LOIF | Left Outer Inner Forward |
| LOL | Lots Of Love |
| LOL | Laugh Out Loud |
| LOL | Land O' Lakes |
| LOL | Loss Of Life |
| LOL | Little Old Lady |
| LOL | Lots Of Luck |
| LOL | Loads Of Laundry |
| LOL | Land Of Legends |
| LOL | Looking On Line |
| LOL | Level Of Learning |
| LOL | Lots Of Liquor |
| LOL | Legion Of the Lost |
| LOL | Legion Of Lucifer |