# text.div
This code system http://hl7.org/fhir/graph-compartment-rule defines the following codes:

Code | Display | Definition
identical | Identical | The compartment must be identical (the same literal reference).
matching | Matching | The compartment must be the same - the record must be about the same patient, but the reference may be different.
different | Different | The compartment must be different.
custom | Custom | The compartment rule is defined in the accompanying FHIRPath expression.

# concept[].definition
The compartment must be identical (the same literal reference).

# concept[].definition
The compartment must be the same - the record must be about the same patient, but the reference may be different.

# concept[].definition
The compartment rule is defined in the accompanying FHIRPath expression.