The highly-influential IDC is a gold standard for diagnostic classification, as it helps doctors around the world track trends of diseases and mental disorders.
Increasing priority given to gaming to the extent that gaming takes precedence over other life interests and daily activities. Cases similar to hers, where people place essential body functions such as eating and using the bathroom lower on their survival list than playing video games, are not rare.
Symptomatic behaviour must continue for at least a year before it is considered dangerously unhealthy, according to the new classification.
Saxena said approximately two to three percent of gamers are likely affected by this condition and said many parents should make sure to consistently observe the habits of their children.
"We are not saying that all gaming is pathological". Other important markets include the United States, Britain, France, Germany and Brazil.
As video games like Fortnite have become a ubiquitous social phenomenon for teenagers, there's growing concern in the medical community about video game addiction.
As part of that process a draft for a "gaming disorder" has been written up to be included in the new International Classification of Diseases (ICD) manual - which hasn't had a new version since 1992 - but video game makers are not happy about the process.
In a study to be published in the Journal of Behavioral Addictions, a group of 36 researchers said there was insufficent evidence to warrant the new category.
The ICD identifies about 55,000 separate injuries, diseases, conditions and causes of death, and is widely used as a benchmark for diagnoses and health insurance.