This code system http://hl7.org/fhir/assert-operator-codes defines the following codes:
|
Code
|
Display
|
Definition
|
| equals
|
equals |
Default value. Equals comparison. |
| notEquals
|
notEquals |
Not equals comparison. |
| in
|
in |
Compare value within a known set of values. |
| notIn
|
notIn |
Compare value not within a known set of values. |
| greaterThan
|
greaterThan |
Compare value to be greater than a known value. |
| lessThan
|
lessThan |
Compare value to be less than a known value. |
| empty
|
empty |
Compare value is empty. |
| notEmpty
|
notEmpty |
Compare value is not empty. |
| contains
|
contains |
Compare value string contains a known value. |
| notContains
|
notContains |
Compare value string does not contain a known value. |
| eval
|
evaluate |
Evaluate the fluentpath expression as a boolean condition. |