That first group of people will be tested for the virus, and if they test negative will be taken to a quarantine housing facility, the cruise line said in a press release.
The death toll from the coronavirus is higher than the severe acute respiratory syndrome (SARS) outbreak in 2002-03, which is believed to have killed 774 people and sickened almost 8,100 in China and Hong Kong.
Under criticism over the handling of the crisis, the Communist Party sacked two top-ranking officials in Hubei, and replaced them with senior cadres with security backgrounds.
"It is our current understanding that the new case definition widens the net, and includes not only lab-confirmed cases but also clinically diagnosed cases based on symptoms and exposure", World Health Organization spokesperson Tarik Jasarevic told Reuters.
China has reported another sharp rise in the number of people infected with COVID-19, commonly known as the coronavirus, as the death toll neared 1,400.
Health Minister Katsunobu Kato told reporters five of the patients who were already sent to hospitals for isolation and treatment of COVID-19 have severe symptoms and are on artificial respirators or under intensive care.
But he added: "I think it's way too early to try to predict the beginning, the middle or the end of this epidemic right now".
The move will ensure patients get treated as early as possible, instead of having to wait for laboratory tests, health officials said. The new block of clinical cases may date back days or weeks.
The woman's diagnosis was confirmed after her death and she had no obvious link to China's Hubei province, the epicentre of the outbreak, the BBC said in a report citing the Japanese media as saying.
Many countries have implemented travel restrictions on recent visitors to China, which has more than 99% of the world's reported infections.
In Hubei and its capital, Wuhan, where tens of millions of people have been trapped as part of an unprecedented quarantine effort, 242 new deaths were reported yesterday.
Authorities have scrambled to deploy protective equipment to Wuhan's hospitals, where doctors and nurses have been overwhelmed by an ever-growing number of patients.
"This outbreak could still go in any direction", WHO Director-General Tedros Ghebreyesus said, the BBC reported on Thursday.
"Investors will surely avoid Asia for the time being and will shift funds to the U.S., geographically the most separated from the region", said Norihiro Fujito, chief investment strategist at Mitsubishi UFJ Morgan Stanley Securities.
US President Donald Trump praised China over its response and said Washington was working closely with Beijing. Three were not on a passenger list that Taiwan gave to Chinese authorities and one tested positive for the virus, Taiwan's Central News Agency has reported.
Many airlines have suspended flights to China, while countries have imposed bans or quarantine for people arriving from China, disrupting businesses and playing havoc with conferences and sporting events.
The US State Department said it was "deeply concerned" about the vulnerability of China's northern neighbor, North Korea, and offered to support aid work in the country.
Elsewhere, Japan confirmed seven more cases, a day after it reported its first death from the virus.