nil known allergies
C1CEFR level
75/100Rarity: rare
TechnicalRegister
A standard formulation recording that the patient has no documented drug or other allergies.
She has nil known allergies and takes no regular medication.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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