Implementation guide for interoperable medicines

This guidance is under active development by NHS England and content may be added or updated on a regular basis.

Component Part Separator

In most cases, each component part of the medication instruction is separated by space-dash-space, e.g. " - ".

  • Oxytetracycline 250mg tablets - 1 tablet - 4 times a day - oral

  • Oxytetracycline - 250 milligram - 4 times a day - oral

Exceptions are as follows:

  • Use a single whitespace after a method, e.g. Apply...

  • Use a single whitespace to separate between a dayOfWeek and timeOfDay, e.g. on Monday at 10:30

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