JPAC Joint United Kingdom (UK) Blood Transfusion and Tissue Transplantation Services Professional Advisory Committee

25.5: Message protocols

Table 25.2 indicates the protocols defined to date.

 

Table 25.1 Envelope definition

Field Length Description Format Mandatory? Notes

Header line

1

5

Line number

NNNNN

Y

Always 00001 for header

2

10

Fixed text

‘UKBTSSTART’

Y

 

3

8

Date

YYYYMMDD

Y

 

4

4

Time

HHMM

Y

 

5

6

Protocol number

NNNNNN

Y

Allocated by UK SACIT

6

6

Source ID

XXXXXX

Y

 

7

6

Destination ID

XXXXXX

Y

 

8

2

Checksum

NN

Y

 

9

1

Terminator

Carriage return

Y

 

Footer line

1

5

Line number

NNNNN

Y

 

2

9

Fixed text

‘UKBTSSTOP’

Y

 

3

5

No. of records

NNNNN

Y

 

4

2

Checksum

NN

Y

 

5

1

Terminator

Carriage return

Y

 

 

Table 25.2 Message protocol numbers

Protocol number Title Description

000001

Blood component dispatch information

Defines the message used to transfer information on blood component issues

000002

Blood derivative dispatch information

Defines the message used to transfer information on blood derivative issues

000003

Reagent dispatch information

Defines the message used to transfer information on reagent issues

000004

Blood component dispatch acknowledgement

Defines the message used to transfer information on blood components received

000005

Blood component fate information

Defines the message used to transfer information on the fate of blood components received

The message protocols contain a range of data defined as either mandatory or optional. The mandatory fields give essential information and must contain valid data. The optional fields give the flexibility to build in a wide range of additional information, but if not required are left as blank (space character) fields.