Table 2 Edges description.

From: Fraud detection and explanation in medical claims using GNN architectures

Edge type

Description

Activity_for_patient

Connects the encounter to the patient that received the service

Activity_executedBy_clinician

Connects the encounter to the clinician who performed the associated service

Activity_contains_service

Connects the encounter to the service node representing the medical service or procedure performed

Activity_primary_diagnosis

Connects the encounter to the primary diagnosis

Activity_secondary_diagnosis

Connects the encounter to the secondary diagnosis

Activity_rfv_diagnosis

Connects the encounter to the diagnosis associated with a reason for visit (RFV)

Activity_partOf_claim

Connects the claim to its constituents (encounters)

Activity_by_provider

Connects the encounter to the provider that submitted the claim

Diagnosis_requires_service

Connects the diagnosis to the medical service or procedure occurring along with it