| Abbreviation | Definition |
|---|---|
| TKR | Total Knee Replacement |
| TKV | ThicK Veins |
| TL | Tubal ligation |
| TLC | Therapeutic Lifestyle Changes |
| TLC | Total Leg Control |
| TLC | Total Lung Capacity |
| TLC | Total Lymphocyte Count |
| TLE | Temporal Lobe Epilepsy |
| TLF | Thoraco-Lumbar Fascia |
| TLHP | Tree of Life Health Practice, L. L. C. |
| TLIF | Transforaminal Lumbar Interbody Fusion |
| TLR | Target Lesion Revascularization |
| TLR | toll-like receptors |
| TLR(s) | toll-like receptor(s) |
| TLSO | Thoracic Lumbar Sacral Orthotic |
| TLT | Transmutational Light Therapies |
| TM | Temperature by mouth |
| TM | Tympanic Membrane |
| TMA | Tense Mood And Aspect |
| TMA | Twitch Muscle Augmentation |