NHS staff can get 20% off their McDonald's menu once a week for the rest of the year. 

The amazing deal can be redeemed by national health service workers when they order via the restaurant chain's free app. 

If you are a NHS worker, you simply need to register for an account with your NHS email address, download the app and enjoy you savings until December 31.

Whether you're bonkers about the Big Mac or you go nuts from chicken nuggets, here's everything you need to know.

Glasgow Times: PAPA (Image: PA)

NHS staff get 20% off at McDonald's until 2023

The McDonald's app is available to download for free on both iOS/Android.

If you want to access the savings, you need to register for an account using your NHS email address.

Once you have done this, you'll be able to see and select the 20% discount offer within the deals section of the app.

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You can use the discount once a week until the end of the year and it can only be redeemed via the app.

It's important to note there the deal excludes 40 branches from the current NHS offer. 

The branches that the promotion cannot be used at include:

  • Croydon
  • Walworth Road
  • Bham Dale End
  • Lincoln
  • Ashton-Under-Lyne
  • Lowestoft
  • Tonbridge
  • Rugby
  • Birkenhead
  • Falkirk
  • Praed Street
  • Llandudno
  • Highway Shadwell
  • Charlton
  • Beccles
  • Whitewall
  • Croydon Valley Parl
  • Livingston 2
  • Eastbourne II
  • Turnbridge Wells II
  • Croydon 3 (Centrale)
  • West One Shopping Centre
  • Wimbledon Centre Court
  • Bracknell - The Keep
  • Greenhithe - The Railway Tavern
  • Victoria Station
  • Kings Cross - Ex Wendys
  • Shaftesbury Avenue 2
  • Manchester - Arndale Food Chain
  • Waterloo station
  • Earlswood
  • ASDA Bournemouth
  • ASDA Swindon
  • ASDA Wallington
  • Wandsworth
  • ASDA Slough
  • Norwich - Chapelfields
  • Paddington Station
  • Westfield Stratford City

For the full terms and conditions, visit the McDonald's website.