This disclosure is directed to information management techniques that may be used during automated processing of biological growth media. In one embodiment, a method comprises reading one or more identification elements of a biological growth medium, identifying manufacturing information related to the biological growth medium based on the one or more identification elements of the biological growth medium, identifying sample information related to a sample being tested by the biological growth medium based on the one or more identification elements of the biological growth medium, generating one or more images of the biological growth medium, counting biological agents formed on the biological growth medium based on the one or more images, wherein counting the biological agents comprises generating a count value, and associating the manufacturing information, the sample information and the count value with the one or more identification elements of the biological growth medium.