How long does it take to diagnose both ADHD and dyslexia? 

The diagnosis time ADHD dyslexia can vary depending on the complexity of symptoms, availability of specialists, and whether assessments are done separately or together. In some cases, both conditions can be identified in a matter of weeks, while in others the process may take several months. The ADHD dyslexia evaluation duration is often influenced by waiting lists for specialist appointments, particularly in public healthcare systems. 

ADHD is usually diagnosed through behavioural assessments, interviews, and rating scales. Dyslexia is identified via literacy-focused testing, including phonological processing and reading fluency measures. When both conditions are suspected, a comorbid diagnosis time ADHD dyslexia approach that combines assessments can save time and provide a more complete picture. 

Factors That Affect the Assessment Timeline 

The ADHD dyslexia assessment timeline is shaped by several key factors, including the thoroughness of testing and coordination between professionals. In many cases, integrated evaluations are the most efficient way to identify both conditions. This is why planning ahead for the diagnosis time ADHD dyslexia process is important for families seeking timely support. 

Typical Timeframes for Each Stage 

Initial referral and booking  

May take a few weeks to several months depending on demand. 

Testing sessions  

Usually completed over one to three appointments. 

Report writing and feedback  

Often provided within two to six weeks after the final assessment. 

Visit providers like ADHD Certify for personal consultations that coordinate ADHD and dyslexia testing to reduce delays. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Learning disabilities (e.g., dyslexia).