This code system http://hl7.org/fhir/substance-name-authority defines the following codes:

Code Display
BAN BAN
COSING COSING
Ph.Eur. Ph.Eur.
FCC FCC
INCI INCI
INN INN
JAN JAN
JECFA JECFA
MARTINDALE MARTINDALE
USAN USAN
USP USP
PHF PHF
HAB HAB
PhF PhF (Pharmacopée française)
IUIS IUIS
<status value="active"/> <experimental value="false"/> <date value="2021-01-05T10:01:24+11:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="SubstanceNameAuthority"/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/substance-name-authority"/> <content value="complete"/> <concept> <code value="BAN"/> <display value="BAN"/> </concept> <concept> <code value="COSING"/> <display value="COSING"/> </concept> <concept> <code value="Ph.Eur."/> <display value="Ph.Eur."/> </concept> <concept> <code value="FCC"/> <display value="FCC"/> </concept> <concept> <code value="INCI"/> <display value="INCI"/> </concept> <concept> <code value="INN"/> <display value="INN"/> </concept> <concept> <code value="JAN"/> <display value="JAN"/> </concept> <concept> <code value="JECFA"/> <display value="JECFA"/> </concept> <concept> <code value="MARTINDALE"/> <display value="MARTINDALE"/> </concept> <concept> <code value="USAN"/> <display value="USAN"/> </concept> <concept> <code value="USP"/> <display value="USP"/> </concept> <concept> <code value="PHF"/> <display value="PHF"/> </concept> <concept> <code value="HAB"/> <display value="HAB"/> </concept> <concept> <code value="PhF"/> <display value="PhF (Pharmacopée française)"/> </concept> <concept> <code value="IUIS"/> <display value="IUIS"/> </concept> </CodeSystem>