The latest updates to ICD-10-CM, set to take effect on October 1, 2024, bring substantial changes to Chapter 5 – Mental and Behavioral Disorders. These revisions are pivotal in enhancing the precision and effectiveness of reporting mental health disorders. Notably, the 2025 revision introduces significant updates in the classification of eating disorders, refining diagnostic criteria and expanding the range of codes. These changes aim to improve clinical reporting and treatment strategies by offering more detailed classifications based on type and severity.
New Codes for Eating Disorders
F50.010 - Anorexia Nervosa, Restricting Type, Mild
This new code is designated for anorexia nervosa characterized by severe food restriction and a distorted body image, without binge eating or purging behaviors. The "mild" severity classification helps in tailoring targeted treatment plans and monitoring the progression or remission of the disorder.
F50.023 - Anorexia Nervosa, Binge Eating/Purging Type, Extreme
This code is for a severe form of anorexia nervosa involving binge eating and purging behaviors, such as vomiting or laxative misuse. Identifying the condition as "extreme" emphasizes the need for urgent and intensive treatment interventions.
F50.21 - Bulimia Nervosa, Mild
Bulimia nervosa, marked by cycles of overeating followed by compensatory actions, now includes a "mild" category. This allows for more precise documentation of cases that, while serious, do not meet criteria for more severe classifications, aiding in treatment tracking and adjustments.
F50.814 - Binge Eating Disorder, in Remission
The addition of this code provides a way to document binge eating disorders that are in remission, facilitating better patient management and ongoing support to prevent relapse.
F50.83 - Pica in Adults
Pica, the compulsion to eat non-food items, now has a specific code for adults. This recognizes the need for distinct treatment approaches compared to pediatric cases.
F50.84 - Rumination Disorder in Adults
Rumination disorder in adults also receives its own code, reflecting the unique challenges and management strategies required for this population.
These updates underscore the critical role of medical coders in accurately capturing and reporting mental health conditions. By implementing these changes, coders contribute significantly to the effective management and treatment of mental and behavioral disorders.
Source: https://www.cms.gov/medicare/coding-billing/icd-10-codes/2025-icd-10-cm