Itc claim procedure

a person maintained a dignastic center and lab and sales of medicines all under gst registered under gst act . dignastic center and lab service exempted and sale of medicine taxable income.
question:
dealer purchase of medical equipment value used for dignastic center purpose against output sales of medicines itc claim allowed or not allowed in gst act.
2.dealer purchase of consumable used for lab purposes against output sales of medicines itc claim allowed in gst act for monthly returns gstr3b.