Health Care Services Review Work Group (WG10) of the Health Care Task Group (TG2) of the Insurance Subcommittee (N) of X12. This group maintains the X12 278 Referral Certification and Authorization transaction.

Interactive Health Care Claims Work Group (WG12) of the Health Care Task Group (TG2) of the Insurance Subcommittee (N) of X12. This group maintains the IHCLME Interactive Claims transaction.

Health Care Provider Information Work Group (WG15) of the Health Care Task Group (TG2) of the Insurance Subcommittee (N) of X12. This group maintains the X12 274 Provider Information transaction.

Health Care Implementation Coordination Work Group (WG19) of the Health Care Task Group (TG2) of the Insurance Subcommittee (N) of X12. This is now X12N/TG3/WG3.

Health Care Claim Payments Work Group (WG3) of the Health Care Task Group (TG2) of the Insurance Subcommittee (N) of X12. This group maintains the X12 835 Health Care Claim Payment & Remittance Advice transaction.

Health Care Enrollments Work Group (WG4) of the Health Care Task Group (TG2) of the Insurance Subcommittee (N) of X12. This group maintains the X12 834 Benefit Enrollment & Maintenance transaction.

Health Care Patient Information Work Group (WG9) of the Health Care Task Group (TG2) of the Insurance Subcommittee (N) of X12. This group maintains the X12 275 Patient Information transaction.

Business Transaction Coordination and Modeling Task Group (TG3) of the Insurance Subcommittee (N) of X12. TG3 maintains the X12N Business and Data Models and the HIPAA Dictionary. This was formerly X12N/TG2/WG11.

Property & Casualty Work Group (WG1) of the Business Transaction Coordination and Modeling Task Group (TG3) of the Insurance Subcommittee (N) of X12.

Healthcare Business & Information Modeling Work Group (WG2) of the Business Transaction Coordination and Modeling Task Group (TG3) of the Insurance Subcommittee (N) of X12.