9.3.5.1 Presentation data value item structure

The Presentation Data Value Item shall be made of a sequence of mandatory fixed length fields followed by one variable length field. Table 9-23 shows the sequence of the fields.

The variable field shall consist of one Presentation-Data-Value.

Table 9-23 PRESENTATION-DATA-VALUE ITEM FIELDS

Item bytes Field name Description of field
1-4 Item-length This Item-length shall be the number of bytes from the first byte of the following field to the last byte of the Presentation-data-value field. It shall be encoded as an unsigned binary number.
5 Presentation- context-ID Presentation-context-ID values shall be odd integers between 1 and 255, encoded as an unsigned binary number. For a complete description of the use of this field see Section 7.1.1.13.
6-xxx Presentation- data-value This Presentation-data-value field shall contain DICOM message information (command and/or data set) with a message control header. For a complete description of the use of this field see Annex E.