| TAN | total adenine nucleotide; total ammonia nitrogen |
|---|---|
| TBC | thyroxine-binding coagulin; total body calcium; total body clearance; tuberculosis |
| TBW | total body water; total body weight |
| TDI | temperature difference integration; three-dimensional interlocking [hip]; toluene 2,4-diisocyanate; ... |
| TET | tetracycline; total ejection time; total exchange thyroxine; treadmill exercise test |