New Casemix Classification as an Alternative Method for Budget Allocation in Thai Oral Healthcare Service: A Pilot Study

Table 2

Examples of the procedure clusters, split into subgroups of procedure clusters using a root operation.

OMFS groups (root operation)	Code M
Scalp
Include: scalp and subgaleal soft tissues	M01
Diagnostic procedures and non-operative procedures	M0101
Operative procedures	M0102
Miscellaneous procedures	M0104
Other procedures and operations	M0199
Tooth and periodontium (root operation)	Code D
Oral examination	D01
Oral examination procedures	D0121
Radiographs/Diagnostic imaging	D02
Intraoral film	D0222
Extraoral film	D0223
Others	D0299

M: oral and maxillofacial surgery (OMFS).
D: tooth and periodontium.