There are multiple definitions:

1. digit symbol substitution test(English)

   • refers to genetal intellectual skill
   • DWRT, HBA, LAVI, WFT, HbA1C, TMB, T1DM, VCD, 4CRT, BART, IGT, BIAS, AF
   • Cognitive function, Diabetes, Alcohol, Cardiology, Risk factor, Brain (dys)function, Electrophysiology
   • https://doi.org…91.2004.01154.x
   • https://doi.org…psyg.2016.00659
   • https://doi.org/10.5603/cj.93107

2. Digit Symbol Switching Test(English)

   • AVLT-H, OLV, VFT
   • Auditory system, Speaking / language [incl. disorders]
   • https://doi.org…vca.2023.06.027