Effective with Version 'J', the code used to indicate the unit of measurement for the drug that was administered. Source: https://bluebutton.cms.gov/resources/variables/revcntrndcqtyqlfr_cd
\nThis value set includes codes from the following code systems:
https://bluebutton.cms.gov/assets/ig/CodeSystem-rev-cntr-ndc-qty-qlfr-cd