Doctor claimed for examination she performed (7)

I believe the answer is:

medical

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'doctor' is the definition.
(thesaurus)

'claimed for examination she performed' is the wordplay.
'claimed' anagrams to 'MEDICAL'.
But, I am not clear how this is indicated.

Can you help me to learn more?

(Other definitions for medical that I've seen before include "examination carried out by a doctor" , "Thorough health check" , "Check-up - declaim (anag)" , "Relating to the art of healing" , "Test for health" .)

I've seen this clue in The Times.

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