The Transfer of Care documents should be sent using ITK over MESH see for further information.
Use of GP look up on MESH
When sending a Transfer of Care document over MESH and the patient’s GP practice is not known, then the GP look-up facility supported by MESH SHOULD be used. However, some identifier elements with in the document cannot be populated.
In this instance any identifier elements which require the Patient’s GP practice ODS code should be populated with “V81999” to indicate “code not known”.