This code system http://hl7.org/fhir/v2/0416 defines the following codes:

CodeDisplay
11st non-Operative
22nd non-Operative
3Major Operative
42nd Operative
53rd Operative

Additional Language Displays

Codenl
11ste niet-operatief
22de niet-operatief
3groot operatief
42de operatief
53de operatief