General
tatt
What does tatt mean?
GP/hospital shorthand for a patient presenting with non-specific chronic tiredness and no clear cause.
"Referral letter just says TATT, all bloods normal."
Origin
British primary-care/hospital slang acronym.
Frequently asked questions
What does TATT stand for?
Tired All The Time — shorthand for a patient presenting with vague, chronic tiredness and no obvious cause.
Is TATT a real diagnosis?
No, it's a presenting complaint. It flags non-specific fatigue that needs a work-up, often ending with normal blood results.
Where does TATT come from?
British primary-care and hospital shorthand, common in GP referral letters.
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