# text.div
This code system http://hl7.org/fhir/action-relationship-type defines the following codes:

Lvl | Code | Display | Definition
1 | before | Before | The action must be performed before the related action.
2 | before-start | Before Start | The action must be performed before the start of the related action.
2 | before-end | Before End | The action must be performed before the end of the related action.
1 | concurrent | Concurrent | The action must be performed concurrent with the related action.
2 | concurrent-with-start | Concurrent With Start | The action must be performed concurrent with the start of the related action.
2 | concurrent-with-end | Concurrent With End | The action must be performed concurrent with the end of the related action.
1 | after | After | The action must be performed after the related action.
2 | after-start | After Start | The action must be performed after the start of the related action.
2 | after-end | After End | The action must be performed after the end of the related action.

# description
Defines the types of relationships between actions.

# concept[].definition
The action must be performed before the related action.

# concept[].concept[].definition
The action must be performed before the start of the related action.

# concept[].concept[].definition
The action must be performed before the end of the related action.

# concept[].definition
The action must be performed concurrent with the related action.

# concept[].concept[].definition
The action must be performed concurrent with the start of the related action.

# concept[].concept[].definition
The action must be performed concurrent with the end of the related action.

# concept[].definition
The action must be performed after the related action.

# concept[].concept[].definition
The action must be performed after the start of the related action.

# concept[].concept[].definition
The action must be performed after the end of the related action.