0

Reminder to record call

1

Welcome and role call

@Bruce Goldberg

• New meeting time?

• Will move time 1 hour back for April 2021 call which will be after time change in U.S. and U.K.so meeting time will br the same as it is currently

2

Contact dermatitis

@Bruce Goldberg

• Suggested updates to contact dermatitis model

• Due to (+after) 418715001 |Exposure to potentially harmful entity (event)| will not SD contact dermatitis if pathological process is changed from contact hypersensitivity to hypersensitivity

• Suggestion made to create substances linked to devices and organisms to enable capture of both the substance  and the device/organism without needing to invoke exposure to  device/organism 

• BGO to revise and test new model

3

Combined disorder modeling

@Bruce Goldberg

• Potential approaches to ensuring consistency of modeling

• Agreement on model below:

Open

• Combined disorders with different clinical courses for each condition

  • YGA reports that consideration is being given to including clinical course in role groups

  • Number of existing concepts that contain 2 inferred or stated role groups is small but may increase if co-occurrent and due to model suggested above is implemented

• Manifestations of rheumatoid arthritis

  • Model with 2 parents, 69896004 |Rheumatoid arthritis (disorder)| and 52661003 |Extra-articular rheumatoid process (disorder)|

  • Retire 239795001 |Rheumatoid arthritis with multisystem involvement (disorder)| maybeA 2661003 |Extra-articular rheumatoid process (disorder)|

5

AOB, adjourn

ALL

• AOB

• Next meeting tentatively April 12, 2021 17:00 UTC