Radiology

MSH

Message header. This conforms to PKB's standard definition.

PID

Patient identification. This conforms to PKB's standard definition.

[ PV1 ]

This is used to include the relevant Hospital Service Code.

PV1-10

O

Hospital service. See our notes on code sets for more information on our handling of coded data.

PV1-10.1

Hospital service code

[[Radiology Report.Specialty]]

[ ORC ]

Common order

ORC-3

C

Filler order number.

At least one of either ORC-3.1 or OBR-3.1 must be provided. It is an error for these values to differ.

ORC-3.1

Filler order number

MYORDER0001

[[Radiology Report.External ID]]
if OBR-3 was not provided

ORC-13

O

Enterer's Location

ORC-13.9

Description

Laboratory 1

[[Radiology Report.Enterer Location]]

OBR

Observation request

OBR-3

C

Filler order number.

At least one of either ORC-3.1 or OBR-3.1 must be provided. It is an error for these values to differ.

OBR-3.1

Filler order number

MYORDER0001

[[Radiology Report.External ID]]

OBR-4

R

Universal service identifier.
OBR-4.1 is an optional field and is only used for assigning privacy labels, but does not get stored as part of the data point.

This is used to set the title of the report. The message will be rejected if neither OBR-4.2 nor OBR-4.5 contains a name.

See our notes on code sets for more information on our handling of coded data.

OBR-4.1

Service ID

RAD100

The service id is only used to facilitate the setting of designated privacy label, based on a lookup performed against the supplied “Order Service” code set.

OBR-4.2

Service name

CHEST XRAY

[[Radiology Report.Title]]

OBR-4.5

Alternative service name

XRAY (CHEST)

[[Radiology Report.Title]]
if OBR-4.2 was not provided

OBR-7

R

This is mandatory for radiology reports.

OBR-7.1

Observation timestamp

201505191657

[[Radiology Report.Timestamp]]

OBR-16

O

Ordered by.

If present, at least the family name must be given.

[[Radiology Report->Source.Source Text]]

OBR-16.2

Family name

Foster

OBR-16.3

Given name

John

OBR-16.4

Middle names

Harry

OBR-16.6

Title

Dr

OBR-25

O

Result status.

If a value of R is provided: any radiology reports received previously for this report ID will be marked as deleted. OBX segments are not required and will be ignored.

Otherwise: the report is processed as documented.

OBR-25.1

Result status

F

{ [ NTE ] }

NTE segments can be used to include comments.

NTE-3

O

NTE-3.1

Comment

Comment

This is a comment.

These OBR-level comments are set in

[[Radiology Report.Description]]

{
OBX

Observation or result

OBX-2

R

Value type. Radiology messages only support: FT, TX or ED.

OBX-2.1

Value type

ED

OBX-3

R

Observation identifier. See our notes on code sets for more information on our handling of coded data.

OBX-3.2

Test name

CHEST XRAY

[[Radiology Report->Attachment.Filename]]

will be set if an attachment is created. If a test name was not provided, then the attachment filename is set to

radiology<timestamp_in_millis>.<lowercase_OBX-5.3>

OBX-3.5

Alternative test name

XRAY (CHEST)

[[Radiology Report->Attachment.Filename]]

will be set if an attachment is created and OBX-3.2 was not provided. If a test name was not provided, then the attachment filename is set to

radiology<timestamp_in_millis>.<lowercase_OBX-5.3>

OBX-5

R

Test result value. Field contents vary based on value type (OBX-2.1).

For ED values we only support the following OBX-5.2/OBX-5.3 combinations:

• TEXT/HTML

• APPLICATION/PDF

• APPLICATION/DICOM (please note there is a 50MB limit on these files)

• IM/*

OBX-5.1

Application (if OBX-2.1 = ED); Value (otherwise)

APP

If the OBX does not contain an image attachment, then this value is appended to

[[Radiology Report.Description]]

OBX-5.2

Data type (if OBX-2.1 = ED)

IM

OBX-5.3

Sub-data type (if OBX-2.1 = ED)

TIFF

[[Radiology Report->Attachment.Media Type]]

OBX-5.4

Encoding (if OBX-2.1 = ED)

Base64

OBX-5.5

Value (if OBX-2.1 = ED)

JVi0xLjMKJeTjz ...

For ED data, this value is set in

[[Radiology Report->Attachment.Content]]

after being decoded according to OBX-5.4

OBX-11

R

Result status. Only values of F and C will be processed. Values of I, O, P or X (which indicate pending or no results) are silently ignored, whilst any other values will cause an error.

OBX-11.1

Result status

F

OBX-13

O

Custom access rules. Currently supported: "{patientDelay:NUMBERdays}" with any whole number in place of "NUMBER" (no spaces). The patient will see that a radiology report has arrived, but the result value will not be revealed until the set number of days past the date/time of observation have passed. If this field is not specified the patient will be able to see their report immediately.

Note: if this report contains multiple OBX segments, the delay must be provided in the first.

OBX-13.1

Custom access rules

{patientDelay:3days}

{ [ NTE ] }
}

NTE segments can be used to include comments.

NTE-3

O

Comment

NTE-3.1

Comment

This is a comment.

Finally, any OBX-level comments are also appended to

[[Radiology Report.Description]]