The WHO has added cannabinoid hyperemesis syndrome (CHS) to its diagnostic manual, establishing a new dedicated ICD-10-CM (International Classification of Diseases, 10th Revision, Clinical Modification) diagnosis code for the health condition. The update, which took effect Oct. 1, 2025, has also been adopted by the CDC. The goal was to facilitate healthcare providers in the United States to not only deliver a more conclusive diagnosis but to track and more precisely study the syndrome. CHS is an increasingly recognized complication of chronic cannabis use, characterized by severe abdominal pain and recurrent episodes of nausea and intense vomiting. As the potency of cannabis has increased over the last few decades, so too has the prevalence of CHS. Several published studies speak to the scope of the problem (JAMA Netw Open 2025;8[11]:e2545310), as well as detail a sharp rise in CHS-related emergency department visits in the United States (JAMA Netw Open 2025;8[7]:e2520492). The study reported a 49% annual increase among individuals aged 13 to 21 years between 2016 and 2023.

The WHO has added cannabinoid hyperemesis syndrome (CHS) to its diagnostic manual, establishing a new dedicated ICD-10-CM (International Classification of Diseases, 10th Revision, Clinical Modification) diagnosis code for the health condition. The update, which took effect Oct. 1, 2025, has also been adopted by the CDC. The goal was to facilitate healthcare providers in the United States to not only deliver a more conclusive diagnosis but to track and more precisely study the syndrome. CHS is an increasingly recognized complication of chronic cannabis use, characterized by severe abdominal pain and recurrent episodes of nausea and intense vomiting. As the potency of cannabis has increased over the last few decades, so too has the prevalence of CHS. Several published studies speak to the scope of the problem (JAMA Netw Open 2025;8[11]:e2545310), as well as detail a sharp rise in CHS-related emergency department visits in the United States (JAMA Netw Open 2025;8[7]:e2520492). The study reported a 49% annual increase among individuals aged 13 to 21 years between 2016 and 2023.

The WHO has added cannabinoid hyperemesis syndrome (CHS) to its diagnostic manual, establishing a new dedicated ICD-10-CM (International Classification of Diseases, 10th Revision, Clinical Modification) diagnosis code for the health condition.&nbsp;The update, which took effect Oct. 1, 2025, has also been adopted by the CDC. The goal was to facilitate healthcare providers in the United States to not only deliver a more conclusive diagnosis but to track and more precisely study the syndrome.&nbsp;CHS is an increasingly recognized complication of chronic cannabis use, characterized by severe abdominal pain and recurrent episodes of nausea and intense vomiting. As the potency of cannabis has increased over the last few decades, so too has the prevalence of CHS.&nbsp;Several published studies speak to the scope of the problem (JAMA Netw Open 2025;8[11]:e2545310), as well as detail a sharp rise in CHS-related emergency department visits in the United States (JAMA Netw Open 2025;8[7]:e2520492). The study reported a 49% annual increase among individuals aged 13 to 21 years between 2016 and 2023.

WHO Addresses Cannabinoid Hyperemesis Syndrome

Anesthesiology News will be publishing a new season of our popular podcast series, “On the Case” and “Ask the Experts.”

“On the Case” is a review series that features the authors of our popular case report series. We hear the behind-the-scenes story on the most unique clinical case studies published in the magazine directly from the professionals who managed them. The first episode of this new season features an interview with L. Jane Stewart, MD, JD, MPH, who co-wrote a case report about a patient who experienced a unique complication from a scopolamine patch.

“Ask the Experts” is an interview series that features leading anesthesia experts on topics ranging from airway management to medical mission work and the future of anesthesia practice models. The first episode of this new season will feature an interview with William Rosenblatt, MD, who was a co-author of the new American Society of Anesthesiologists difficult airway guidelines.

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"Anesthesiology News presents The Etherist” celebrated the 175th anniversary of the original Ether Day by looking back at the origin of anesthesiology as a modern medical specialty. Join us as we revisit those early days of discovery and innovation and the people who made it all possible, but we won’t stop with the history of anesthesia. This season we will also dive into the emergence of new research that has revealed the basic effects of how anesthetic drugs work in the first place.

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Anesthesiology News will be publishing a new season of our popular podcast series, “On the Case” and “Ask the Experts.” “On the Case” is a review series that features the authors of our popular case report series. We hear the behind-the-scenes story on the most unique clinical case studies published in the magazine directly from the professionals who managed them. The first episode of this new season features an interview with L. Jane Stewart, MD, JD, MPH, who co-wrote a case report about a patient who experienced a unique complication from a scopolamine patch. “Ask the Experts” is an interview series that features leading anesthesia experts on topics ranging from airway management to medical mission work and the future of anesthesia practice models. The first episode of this new season will feature an interview with William Rosenblatt, MD, who was a co-author of the new American Society of Anesthesiologists difficult airway guidelines. __________________________________________ "Anesthesiology News presents The Etherist” celebrated the 175th anniversary of the original Ether Day by looking back at the origin of anesthesiology as a modern medical specialty. Join us as we revisit those early days of discovery and innovation and the people who made it all possible, but we won’t stop with the history of anesthesia. This season we will also dive into the emergence of new research that has revealed the basic effects of how anesthetic drugs work in the first place.

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