Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
13. Consensus diagnosis of dominant PPA subtype NACC Disease characterization
Including Alzheimer's Disease (AD)/AD-Related Dementias (ADRD) diagnosis and multiple chronic conditions (MCCs)
Other NIA-funded studies
  • NACC
    • Frontotemporal Lobar Degeneration
      • Form name- B9F: Clinical PPA and bvFTD Features
        • Packet- Initial Visit Packet
          • Variable name- ftdcppas

# Datatype
Value List

# Permissible value Value meaning name
1 PPA, semantic variant (semPPA)
2 PPA, nonfluent/agrammatic variant (nf/gPPA)
3 PPA, Logopenic PPA
4 PPA not otherwise specified

# Identifier Origin Version
FTLD_b9f_Initial Visit Packet_ftdcppas NACC-source_dataset+form_name+packet+var_name NACC_ftld-v3-ivp-ded-01132026