27th May 2025

A 32-year-old female has refractory symptoms of sarcoidosis despite first and second-line therapy.

A 32-year-old female has refractory symptoms of sarcoidosis despite first and second-line therapy. You decide to counsel her on starting infliximab. 

Which of the following tests is most important prior to initiating infliximab?

Select the SINGLE most appropriate option from the list below. Select ONE option only.