6.2.3.3. Primary Anatomic Structure Sequence (0008,2228)

For orthodontic photographs, the primary anatomic structure for extraoral views is designated as Face Structure (body structure). In contrast, intraoral views exhibit a broader range of variations, as enumerated in the following table.

Table CID AAAA. Head and/or Neck Primary Anatomic Structure

code scheme designator	code value	code meaning	notes
SCT	89545001	Face structure (body structure)	Used for EV-* extraoral views.
SCT	74262004	Oral cavity structure (body structure)	Used for IV-* intraoral views.
SCT	88176008	Lower dental arch structure (body structure)	Used for IV-* intraoral views.
SCT	39481002	Upper dental arch structure (body structure)	Used for IV-* intraoral views.
SCT	261063000	Structure of buccal space (body structure)	Used for IV-* intraoral views.
SCT	7652006	Structure of frenulum labii (body structure)	Used for IV-* intraoral views.

6.2.3.3.1. Primary Anatomic Structure Modifier Sequence (0008,2230)

This modifier is used to clarify which side of the structure is contained in the image. Use CID 247, as specified in Table CID 247. Laterality Left-Right Only.