This is an example of a mixture of three or more different drug ingredients, each with a different relative concentration. Note the use of the urn:ihe:pharm:medication namespace, which is required by the UV Medication Information (detail) template. The CDA schema doesn’t recognize content from this namespace and so flags it as invalid by default, although extension content from other namespaces is allowed in CDA even when not recognized by the schema (see 1.4 CDA Extensibility).

This is an example of having a medication with only a free text SIG when you have no other coded information.

This example illustrates an example of a medication order with the following characteristics: an IV drug with a relative dose quantity that is based on weight, a drug vehicle used for preparation, and indications for the medication. This example was created to address the following Use Case: An oncologist is ordering a drug as part of a chemotherapy regimen. Chemotherapy regimens consist of orders could be administered weeks or months in advance. Moreover their preparation is based on the patient’s weight at the time of administration. Because of these constraints, the C-CDA medications section needs to be represented in a way that reflects this. Additional Notes and Assumptions: the /entry/substanceAdministration/effectiveTime/@value is meant to be set at a future date relative to the date of the encounter. The date of the encounter would have been represented in a separate section outside of this example.

This is an example of having a medication with event timing (take at bedtime or at the "hour of sleep" (HS))

This is an example of a medication which is QID and PRN (as needed) but with no precondition specified. It was generated based on SDWG list-serv discussion in December 2013. It also demonstrated a pre-coordinated generic medication coded at the SDC level (generic 600mg Oral Tablet) in RxNorm hierarchy.

This is an example of a medication administered orally with a PRN coded precondition, instructions (not PRN), and indications (not PRN).

This is an example of a patient refusing to take a medication at a point in time due to a reason of patient objection (QRDA template used)

This is an example of a medication (Sudafed) which to be administered every 4-6 hours, a common dosing pattern. Representing the range of potential of hours is done through a low and high child element of the period within effectiveTime of PIVL_TS.

This is an example of no medications

This is an example of two baby aspirin being administered at a single point in time. At the January 2014 San Antonio meeting of HL7, this approach was decided as appropriate for medication timing of a point in time. Subsequent to that meeting, the TTT validator was adjusted to accept this format for medication times.