Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
25. Principal referral source NACC Demographic information
Patient and caregiver demographic information
 Other NIA-funded studies
  • ▼ NACC
    • ▼ Uniform Data Set
      • ▼ Form name- A1: Participant Demographics
        • ▼ Packet- Initial Visit Packet
          • Variable name- refersc

# Datatype

UUID: 4021371f-4cd8-5499-b535-e3a2373d79de

Value List

# Permissible value Value meaning name

UUID: 9d0d0456-c98f-5de8-8537-4b2ff455b2ee

1 Self

UUID: 08499202-a3a2-5dcf-8ca0-d8b2fc936621

2 Non-professional personal contact who is not a current or previous ADRC participant (e.g., spouse/partner, relative, friend, coworker)

UUID: bbeb2e1d-e334-52b5-b255-8b93b01c8aaa

3 Current or previous ADRC participant

UUID: 0ad4fa9b-9707-5cae-8218-2710c08d1dd8

4 ADRC clinician, staff, or investigator

UUID: 0dcd5052-e771-5f51-b2f4-98993fd001e4

5 Non-ADRC healthcare professional (e.g., clinician, nurse, social worker)

UUID: c2a0e8db-8d9e-5b86-ba81-74c00841b6b9

6 Other research study clinician/staff/investigator (non-ADRC; e.g., ADNI, Women's Health Initiative, LEADS, ALL-FTD)

UUID: 13ae2545-3b52-50c2-b9c2-f301eec270ee

8 Other

UUID: 027dfa61-630c-5644-937a-befaa960e1c6

9 Unknown

# Identifier Origin Version

UUID: 96e3593e-9a05-5797-be68-418d53ce9f94

UDS_a1_Initial Visit Packet_refersc NACC-source_dataset+form_name+packet+var_name NACC_uds-v4-ivp-ded-11122025