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Would Stricter Diagnostic Criteria Cut Down on Overdiagnosis? 

Yes, applying stricter ADHD criteria could reduce rates of misdiagnosis, particularly in borderline or mild cases. With ADHD diagnoses rising globally, many experts question whether current standards especially those set by the DSM-5 are broad enough to capture people who do not necessarily have clinically significant impairments. 

The diagnostic thresholds for ADHD have shifted over time. The DSM-5 lowered the symptom requirement for adults and extended the age by which symptoms must appear, which has helped many previously overlooked individuals access support. However, this broader definition may also increase the risk of overdiagnosis, particularly when assessments rely heavily on self-reporting or brief consultations. 

Why Tighter Criteria May Help 

Here are ways that stricter ADHD criteria could reduce overdiagnosis without excluding those in need: 

Greater clarity  

Clearer symptom thresholds and functional impairment requirements would reduce ambiguity. 

Improved accuracy  

A more rigorous approach could help differentiate ADHD from other conditions with overlapping symptoms. 

Fewer false positives  

Tighter criteria discourage diagnosis based on short-term behaviours or social pressures. 

In conclusion, the goal is not to deny care but to ensure that diagnoses are accurate and meaningful. Stricter doesn’t mean fewer diagnoses, it means better ones. 

Visit providers like ADHD Certify for personal consultations and expert guidance tailored to your unique situation. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Overdiagnosis vs. Underdiagnosis in ADHD.  

Avery Lombardi, MSc, author for my patient advice - mypatientadvice.co.uk

Avery Lombardi, MSc

Author

Avery Lombardi is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Psychology. She has professional experience in psychological assessment, evidence-based therapy, and research, working with both child and adult populations. Avery has provided clinical services in hospital, educational, and community settings, delivering interventions such as CBT, DBT, and tailored treatment plans for conditions including anxiety, depression, and developmental disorders. She has also contributed to research on self-stigma, self-esteem, and medication adherence in psychotic patients, and has created educational content on ADHD, treatment options, and daily coping strategies.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS, author and a reviewer for my patient advice - mypatientadvice.co.uk

Dr. Rebecca Fernandez, MBBS

Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy.