The updated death toll came as rescuers were working frantically to find two miners still listed as missing. More than 600 rescuers have been working to pump water from the shaft and drill holes from the surface at the Jiangjiawan mine near the northern city of Datong.
A total of 247 miners were underground when water rushed into the shaft Sunday evening.
Of those, 223 people made it safely to the surface while three of those trapped were rescued and were recovering in hospital.
Such accidents are usually caused by breaches of abandoned shafts where water has collected over time.
China has seen a dramatic drop in accidental deaths in its notoriously dangerous mines, partly as a result of improved safety measures but also because of falling coal production levels as the slowing economy reduces demand.
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