Bact ID — Probability-Based Bacterial Identification
Free Bacterial Identification Tool
Live probability ranking. Watch the top candidate update after every test, not just at the end — so you can see when a result actually moves the needle.
37 organisms covered. The full Gram-negative bacilli and Gram-positive cocci panels used in bench work and CMLT/BMLT/NHPC practicals — from E. coli to viridans streptococci.
Editable susceptibility panel. Enter your own zone diameters against a CLSI-style breakpoint table you can customize, with S/I/R interpretation, MRSA screening, ESBL flagging, and MDR/XDR/PDR classification.
PDF report in one click. Reaction summary, antibiotic panel, and a signature block — ready to file or submit, no reformatting.
  1. 1Gram reaction
  2. 2Run test
  3. 3Rankings update
  4. 4Most likely ID
Free to use · No login required · Takes about 2–3 minutes
Sample Type
Select the specimen source. The antibiotic panel on the result screen adjusts to this sample source once an organism is identified — you can change it any time.
Choose "Not specified" to see the full unrestricted antibiotic panel.

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