off-label

adjective off-la·bel \ ˈȯf-ˌlā-bəl \

Definition of off-label

: of, relating to, or being a drug used to treat a condition for which it has not been officially approved

First Known Use of off-label

1987

in the meaning defined above

See Words from the same year

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Medical Dictionary

off-label

adjective off-la·bel \ ˌȯf-ˌlā-bəl \

medical Definition of off-label

: of, relating to, or being an approved drug legally prescribed or a medical device legally used by a physician for a purpose (as the treatment of children or of a certain disease or condition) for which it has not been specifically approved (as by the United States Food and Drug Administration)