The topic is currently discussed with the IAS initiative CIPHER. We propose to add the following additional fields to tblVIS:
CLINIC_TYPE: Type of clinic / service
1 paediatric
2 adolescent within paediatric care
3 adolescent within adult care
4 adolescent stand alone
5 adult
9 missing
SPEC_TYPE: Type of specialist providing care
1 paediatric
4 adolescent
5 adult physician
9 missing
TRANS_STAGE: Stage of transition at current visit
0 Transition not started
1 Transition in progress
2 Transition completed
9 not applicable/missing