Replacement of obstructed valve in shunt system (procedure)
| Code | 6639006 |
|---|---|
| Semantic tag | procedure |
| Module | international |
| Definition | primitive |
| Effective time | 20020131 |
171509005Brain cerebrospinal fluid pathway operation
procedure
384728007Replacement of device
procedure
128303001Surgical removal
procedure
None (leaf concept).