9.3.2.1 Application context item structure

An Application Context Item shall be made of a sequence of mandatory fields followed by a variable length field. Table 9-12 shows the sequence of the mandatory fields.

Table 9-12 APPLICATION CONTEXT ITEM FIELDS

Item bytes Field name Description of field
1 Item-type 10H
2 Reserved This reserved field shall be sent with a value 00H but not tested to this value when received.
3-4 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 Application-context-name field. It shall be encoded as an unsigned binary number.
5-xxx Application-context-name A valid Application-context-name shall be encoded as defined in Annex F. For a description of the use of this field see Section 7.1.1.2. Application-context-names are structured as UIDs as defined in PS 3.5 (see Annex A for an overview of this concept). DICOM Application-context-names are registered in PS 3.7.