NEW YORK — John Mayer was hospitalized on Tuesday for an emergency appendectomy.

A representative for the Grammy-winning musician said Mayer was admitted to the hospital Tuesday morning. He had been due to perform at a concert in New Orleans with the Dead & Company, but that date has been postponed.

Dead & Company tweeted that all tickets for the Dec. 5 concert will be honored at the rescheduled date. Tickets can also be refunded.

All tickets for the December 5 show will be honored for the rescheduled date. Information on the rescheduled date will be announced as soon as possible. Should ticketholders choose to seek a refund, they will be available at point of purchase. https://t.co/rqGneAg6sC — Dead & Company (@deadandcompany) December 5, 2017

The 40-year-old singer-songwriter had performed with the Dead & Company as recently as Sunday. Mayer was active on social media Monday night, tweeting an apology to a Huffington Post writer after he incorrectly stated that correct style was to write out "number two" in headlines.

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Mayer dealt with another health scare in 2013 when he had to have surgery and injections to treat a growth called a granuloma on his vocal cords.