Top 20 ICD-10 Codes of 2019 (Year-to-Date)

If you’re interested in examining the top ICD-10 codes used by SimplePractice therapists, psychologists, social workers, and counselors so far in 2019, you’re in luck. That’s the exact content of this article. We identified the most commonly used ICD-10 codes to provide insight on the usage and trends of the behavioral health community.

Since SimplePractice is a web-based practice management solution that is predominantly used by smaller private practices and since many focus on treating behavioral health issues, the data in this report represent common diagnostic codes used by solo or small group providers in the behavioral health space, across the country.

This list of the top diagnoses, therefore, represent a combination of the prevalence of certain diagnoses in the U.S. population, as well as the kinds and types of providers using SimplePractice.

Top ICD-10 Codes

Rank ICD Code  Disorder / Diagnosis
1 F41.1 Generalized anxiety disorder
2 F43.23 Adjustment disorder with mixed anxiety and depressed mood
3 F33.1 Major depressive disorder, recurrent, moderate
4 F43.22 Adjustment disorder with anxiety
5 F43.20 Adjustment disorder, unspecified
6 F41.9 Anxiety disorder, unspecified
7 F43.21 Adjustment disorder with depressed mood
8 Z63.0 Problems in relationship with spouse or partner
9 F43.10 Post-traumatic stress disorder, unspecified
10 F43.12 Post-traumatic stress disorder, chronic
11 F33.0 Major depressive disorder, recurrent, mild
12 F32.1 Major depressive disorder, single episode, moderate
13 F34.1 Dysthymic disorder
14 F90.2 Attention-deficit hyperactivity disorder, combined type
15 F60.9 Personality disorder, unspecified
16 F40.228 Other natural environment type phobia
17 F06.1 Catatonic disorder due to known physiological condition
18 F43.25 Adjustment disorder with mixed disturbance of emotions and conduct
19 F32.0 Major depressive disorder, single episode, mild
20 F33.2 Major depressive disorder, recurrent severe without psychotic features

Generalized anxiety disorder (F41.1) ranks in the top usage spot, which continues the trend from our previous posts in 2017 and 2015.

Top diagnoses categories

To get a better understanding of the top diagnoses made in 2019, we took the 20 codes listed above and rolled them up into seven corresponding categories, as shown below. 

Group %*
Reaction to severe stress, and adjustment disorders (F43) 42%
Anxiety disorders (F40, F41) 28%
Depressive disorders (F32, F33, F34) 19%
Z Codes 4%
Attention-deficit hyperactivity disorders (F90) 2%
Other mental disorders due to known physiological condition (F06) 2%
Specific personality disorders (F60) 2%
Grand Total 100%
*Percentage of diagnoses made in SimplePractice, by category: 2019

Learn more

For guidance on which codes to use in specific cases, there are tons of resources available on the Centers for Medicare & Medicaid Services (CMS) website. Also, check out tips on how to code for video sessions.

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