This case-sensitive code system http://hl7.org/fhir/uv/sdc/CodeSystem/chf-codes defines the following codes:

Code	Display	Definition
body-weight-change	Body weight change	The change in body weight between two body weight measurements, in kg. Typically captured daily.
net-intake-output	Net intake/output	The net intake and output, in Liters per day. Typically captured daily.
measure-jvp	Measure jugular venous pressure	Measure jugular venous pressure in cmH2O
jvp	Jugular venous pressure	Jugular venous pressure in cmH2O. May be loinc#8595-1?
egfr	eGFR result	eGFR result in mol/mm/m2. Too many codes to choose from, needs clinical/terminological SME input
measure-egfr	Measure eGFR	Measure eGFR, could not identify SNOMED code for this
lasix-iv	LASIX IV	LASIX IV
lasix-po	LASIX PO	LASIX PO
cardiology-consultation	Cardiology Consultation	Cardiology consultation