Te Whatu Ora is "frustrated and extremely disappointed" senior doctors and dentists it employs will take strike action tomorrow.
In a third mediation with the Association of Salaried Medical Specialists, Te Whatu Ora offered salary increases over the next year of between $15,000 and $26,000.
The union didn't accept the offer and is set to go on a strike is set to take place tomorrow afternoon, forcing about 250 procedures to be deferred.
Association of Salaried Medical Specialists executive director Sarah Dalton spoke to Ingrid Hipkiss.