> For the complete documentation index, see [llms.txt](https://docs.snomed.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-editorial-guide/readme/authoring/domain-specific-modeling/clinical-finding-and-disorder/clinical-finding-and-disorder-modeling/specific-clinical-finding-and-disorder-modeling/mental-health.md).

# Mental health

Dependence-related concepts which express the current existence of abuse are acceptable.

* For example,
  * 191816009 |Drug dependence (disorder)|

Dependence-related concepts which express the pattern as either continuous or episodic are not acceptable. 

Unacceptable patterns:

* X with single episode
* X with multiple episodes
* Current episode of X
* First episode of X
* X with continuous pattern

Unacceptable legacy concepts:

* Drug abuse, continuous (disorder)
* Episodic drug abuse (disorder) 

Concepts describing *full* or *partial remission* are acceptable but not the phase of the remission.

Acceptable patterns:

* X in full remission 
* X in partial remission
  * For example, 
    * 46244001 |Recurrent major depression in full remission (disorder)|
    * 5703000 |Bipolar disorder in partial remission (disorder)|

Unacceptable patterns:

* X in early full remission
* X in sustained full remission
* X in sustained partial remission 

Conditions with associated symptoms should be expressed and modeled like combined disorders. *Due to* situations are acceptable but not simple *Co-occurrent.*

* For example, 
  * 703850002 |Delirium due to benzodiazepine withdrawal (disorder)|

Concepts containing X without Y are considered on a case-by-case basis.

Acceptable example:

* 724735003 |Oppositional defiant disorder without chronic irritability-anger (disorder)|

Unacceptable example: 

* Bipolar type II disorder with current episode moderately depressive without psychotic symptoms

**See also relative page:**

[Remission](/snomed-ct-specifications/snomed-ct-editorial-guide/readme/authoring/domain-specific-modeling/clinical-finding-and-disorder/clinical-finding-and-disorder-modeling/specific-clinical-finding-and-disorder-modeling/remission.md)

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