T3
Triiodothyronine
What T3 stands for
T3 is a medical abbreviation for triiodothyronine. TermDecode files it under laboratory abbreviations.
Risk
ISMP lists T3 as error-prone when used for Tylenol with codeine No. 3: it may be mistaken as liothyronine, which is sometimes referred to as T3.
Safer Alternative
Write "Tylenol with codeine No. 3" or "liothyronine" in full
Seen in context
Free T3 3.5 pg/mL
Source Note
T3 is also used for triiodothyronine/liothyronine; avoid T3 in drug communication unless the intended meaning is explicit.
Sources
The risk description and safer alternative above are reproduced from these published lists.
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