11.1. Outbound¶
The Patient Demographics Query - Find Candidates HL7 message is sent to other HL7 applications/receivers which act as Patient Demographics Suppliers requesting information about patients whose demographic data match data provided in query message.
This message may be triggered either by Patient Demographics Query services or by patient verification scheduler.
11.1.1. Outbound Message¶
11.1.1.1. QBP - Query by Parameter Message (Event Q22)¶
Supported HL7 version: 2.5.1 (ITI-21)
11.1.1.1.1. Trigger Event¶
This message is sent out by the archive when patient demographics is to be requested from external patient demographics suppliers
11.1.1.1.2. Supported Segments¶
The following segments are sent in an outgoing QBP^Q22^QBP_Q22 message:
Segment |
Meaning |
Usage |
Card. |
HL7 chapter |
|---|---|---|---|---|
Message Header |
R |
[1..1] |
2 |
|
Query Parameter Definition |
R |
[1..1] |
5 |
|
Response Control Parameter |
R |
[1..1] |
5 |
11.1.1.1.3. Expected Actions¶
The patient demographics suppliers acting as receiver shall follow stated Expected Actions.
11.1.2. Outbound Message Segments¶
11.1.2.1. MSH - Message Header segment¶
Same as specified in MSH - Message Header segment (HL7 v2.5.1)
11.1.2.2. QPD - Query Parameter Definition segment¶
SEQ |
LEN |
DT |
OPT |
TBL# |
ITEM # |
Element Name |
|---|---|---|---|---|---|---|
1 |
250 |
CE |
R |
0471 |
01375 |
Message Query Name |
2 |
32 |
ST |
C |
00696 |
Query Tag |
|
3-n |
256 |
varies |
01435 |
User Parameters (in successive fields) |
11.1.2.3. RCP - Response Control Parameter segment¶
SEQ |
LEN |
DT |
OPT |
TBL# |
ITEM # |
Element Name |
|---|---|---|---|---|---|---|
1 |
1 |
ID |
O |
0091 |
00027 |
Query Priority |
2 |
10 |
CQ |
O |
0126 |
00031 |
Quantity Limited Request |
3 |
250 |
CE |
O |
0394 |
01440 |
Response Modality |
4 |
26 |
TS |
C |
01441 |
Execution and Delivery Time |
|
5 |
1 |
ID |
O |
0395 |
01443 |
Modify Indicator |
6 |
512 |
SRT |
O |
01624 |
Sort-by Field |
|
7 |
256 |
ID |
01594 |
Segment group inclusion |
Element names in bold indicates that the field is used by dcm4che DICOM Archive 5.
11.1.3. DICOM to HL7 Query by Parameter Message Mapping¶
Mappings between HL7 and DICOM are illustrated in the following manner:
Element Name (HL7 item_number.component.sub-component #/ DICOM (group, element))
The component/sub-component value is not listed if the HL7 element should not contain multiple components/sub-components.
11.1.3.1. QBP - DICOM Patient Attributes to HL7 Query by Parameter Message mapping¶
HL7 Field |
HL7 Item # |
HL7 Segment |
DICOM Attribute |
DICOM Tag |
Note |
|---|---|---|---|---|---|
Message Query Name |
01375 |
QPD:1 |
Set to ‘IHE PDQ Query’ |
||
Query Tag |
00696 |
QPD:2 |
Set to ‘QRY’ + value from MSH:9 |
||
User Parameters (in successive fields) |
01435 |
QPD:3 |
|||
Patient ID |
(0010, 0020) |
Sent as ‘@PID.3.1^’ + value of Patient ID |
|||
Issuer of Patient ID |
(0010, 0021) |
Sent as ‘@PID.3.4.1^’ + value of Issuer of Patient ID |
|||
Issuer of Patient ID Qualifiers Sequence |
(0010, 0024) |
||||
>Item |
(FFFE, E000) |
||||
>Universal Entity ID |
(0040, 0032) |
Sent as ‘@PID.3.4.2^’ + value of Universal Entity ID |
|||
>Universal Entity ID Type |
(0040, 0033) |
Sent as ‘@PID.3.4.3^’ + value of Universal Entity ID Type |
|||
Query Priority |
00027 |
RCP:1 |
Set to I |