Stream: Medication
Topic: DosagesInstructions
Ernesto Quevedo Caballero (Jan 16 2020 at 15:35):
How should we see the list of dosageInstructions for a MedicationRequest as AND or as OR? For example,
if a MedicationRequest has dosageInstruction_1 and dosageIntruction_2, then should we see it as
dosageInstruction_1 AND dosageIntruction_2, or like dosageInstruction_1 OR dosageIntruction_2.
The doubt came because there are cases where it is an AND (https://www.hl7.org/fhir/medicationrequest0303.json.html)
and there are cases where is an OR (http://build.fhir.org/medicationrequest0302.json). In the case we use it like
an OR, how could we represent this case:
1-) The medication must be taken 2 times in the morning and 1 time at night.
Lloyd McKenzie (Jan 16 2020 at 16:11):
@Melva Peters @Michelle (Moseman) Miller
Melva Peters (Jan 16 2020 at 16:27):
Use dosage.sequence. The following guidance is included “If the sequence number of multiple Dosages is the same, then it is implied that the instructions are to be treated as concurrent. If the sequence number is different, then the Dosages are intended to be sequential.”
Ernesto Quevedo Caballero (Jan 16 2020 at 16:45):
We thought in that, but in both examples of FHIR (AND and OR) the dosage.sequence was diferent. Ok, that could work. Thanks
Patricia Almeyda Polanco (May 11 2020 at 16:03):
How can we represent a timing for something like this 30 minutes prior to sexual activity. We tried with offset but we can not specify the event, in this case sex.
Jose Costa Teixeira (May 11 2020 at 17:02):
Good point. timing.repeat.when has a required binding, which seems pretty restrictive if it makes it impossible to say
"30 minutes before intercourse" or
"30 minutes after onset of pain"
Melva Peters (May 11 2020 at 17:53):
There is an extension that has been created for conditional dosing which is what your example is. Check out: http://build.fhir.org/extension-dosage-conditions.html
Last updated: Apr 12 2022 at 19:14 UTC
