Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
8d1. Primary progressive aphasia (PPA) syndrome - type NACC Disease characterization
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs)
 Other NIA-funded studies
  • ▼ NACC
    • ▼ Uniform Data Set
      • ▼ Form name- D1a: Clinical Syndrome
        • ▼ Packet- Initial Visit Packet
          • Variable name- ppasynt

# Datatype

UUID: 2fb6e623-d8fa-5493-b8fc-d5d5c5e22e97

Value List

# Permissible value Value meaning name

UUID: eb8047fc-69b8-52e6-a56c-a77644dfa4e1

1 Semantic PPA

UUID: c8f00e09-6361-5087-917d-56b774c00b6e

2 Logopenic PPA

UUID: a59318bb-dc10-5f2c-aa6f-3b328ff3516f

3 Nonfluent/agrammatic PPA

UUID: f372c811-8c63-56fe-884e-848e793ab417

4 PPA other/not otherwise specified

UUID: 9dc0c0b9-7d60-5dbf-97fc-714c2af908a7

5 Primary progressive apraxia of speech

# Identifier Origin Version

UUID: 1dbeb37e-ae84-584b-9bc0-e385559703a0

UDS_d1a_Initial Visit Packet_ppasynt NACC-source_dataset+form_name+packet+var_name NACC_uds-v4-ivp-ded-11122025