LDT

LDT may stand for:

• Laterodorsal tegmental nucleus, a nucleus in the brain stem
• Laboratory developed test, in vitro diagnostics
• Labordatentransfer, a German xDT format to transfer laboratory tests
• Large deviations theory, field of probability theory
• Learning Design and Technology, an academic program
• Lexical decision task in psychology experiments
• Lightning Data Transport, later HyperTransport computer bus
• Local Descriptor Table, an x86 data structure
• Telbivudine or LdT, a drug for hepatitis B
• Computer file extension for EULUMDAT