Table 2.

Selected concepts in chronic kidney disease (CKD) decision support and associated standards with assessment of ambiguity

Concept	Standards Domain	Concept Clearly Defined?
Treatment of proteinuria with ACE inhibitor/ARB medication	Clinical terminologies (eg, SNOMED CT, LOINC, RxNorm)	Yes
Avoidance of nephrotoxic medications	Clinical terminologies (eg, RxNorm, LOINC)	Yes
Receipt of CKD education, including preferences for type of renal replacement therapy or palliative care	Clinical terminologies; Patient reported outcomes	No