Axis III in the DSM: Diagnosis, Disorders & Examples

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  1. 0:40 5 Axes of the DSM
  2. 1:56 General Medical Condition
  3. 2:27 Diagnosis
  4. 4:28 Types of Conditions
  5. 4:46 Lesson Summary
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Taught by

Yolanda Williams

Yolanda has taught college Information Technology, and Literacy and has a master's in counseling psychology and business administration.

Explore Axis III of the Diagnostic and Statistical Manual of Mental Disorders. Learn about general medical conditions, how they are related to the treatment of mental disorders and more.


Imagine that a client comes into your office experiencing symptoms of depression. After continuing your conversation, you find out that the client's depressive symptoms started right after the client was diagnosed with lung cancer. A review of the client's medical records also reveals that the client has asthma. Assume that you determined that the cancer is the cause of the client's depression. You decide that you should address the client's emotions surrounding his cancer diagnosis in your sessions. Like all general medical conditions, the client's cancer diagnosis would be recorded on Axis III.

The Five Axes of the DSM

The Diagnostic and Statistical Manual of Mental Disorders (DSM) is often referred to as the 'Bible' of psychology. The DSM contains the classification of mental disorders that are diagnosed in the United States, including the requirements for diagnosis. In order to include a complete picture of the factors that influence the client's mental health, the DSM is broken down into five axes:

  • Axis I contains clinical disorders, such as anxiety and depression.
  • Axis II contains mental retardation and personality disorders, such as antisocial personality disorder and obsessive-compulsive personality disorder.
  • Axis III contains general medical conditions, such as cancer and Alzheimer's disease.
  • Axis IV contains environmental and psychosocial factors that may affect the client's mental health, such as a recent divorce, inadequate social support and the death of a parent.
  • Axis V contains the global assessment of functioning, which is a numerical scale that measures the level of functioning of the client. The scale ranges from 0 (inadequate information) to 100 (high functioning with no symptoms of mental illness present).

For this lesson, we will focus on Axis III.

What Is a General Medical Condition?

A general medical condition is a physical problem that can potentially influence your client's mental illness. General medical conditions may be relevant to understanding and treating your client's mental disorder. There are three ways that you can view general medical conditions:

  1. They are directly related to your client's mental health problems.
  2. They are important in creating a comprehensive diagnosis of the client.
  3. There is not a significant relationship between the general medical condition and the client's mental health problems.


Whenever you determine that a mental disorder is a direct consequence of a general medical condition, you must record it as an 'Axis I diagnosis of a mental disorder, due to a general medical condition' and record the general medical condition on Axis III. In the example above, it was determined that the lung cancer was the cause of the client's depression. Therefore, a diagnosis of 'mood disorder due to lung cancer, with depressive features' goes on Axis I. Lung cancer is listed again on Axis III.

In instances when there is not a clear enough relationship between the general condition and the mental disorder to warrant a diagnosis of a mental disorder due to a general medical condition, the general medical condition is recorded on Axis III only. If you recall, the client in our example also has asthma, but there is not a clear relationship between the client's asthma and depression. Therefore, we record asthma on Axis III only.

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