This is the NHS SERVICE AGREEMENT NUMBER.
From 01/04/2001 this data item will be used to identify patients treated under Out of Area Treatments (OATs). NHS Trusts are required to insert the letters 'OAT' (mandated input as capitals) in the first three characters of the COMMISSIONING SERIAL NUMBER field of the Admitted Patient Care CDS. The remaining three characters will continue to be defined locally, see DSCN 17/2000.
This data element is also known by these names:
|plural||COMMISSIONING SERIAL NUMBERS|