With the aim of ensureing a coherent exchange of variables applications and mobile devices with the Plataforma de Salut Digital, a subset of mHealth variables have been defined the mHealth.Cat’s Office and the Office of Interoperability and Standards. These variables are coded using through controlled vocabularies that guarantee the a unique identifier. SNOMED CT is the the core terminology used in the subset, but other classifications and terminologies are considered such as ICD-9-CM, ICD-10, LOINC, ATC or ICPC-2.
You can consult the FAQ on mHealth variables
You can aslo consult the controlled vocabulary census with more information on classifications and terminologies.