This case-insensitive code system http://fhir.cezih.hr/specifikacije/CodeSystem/jedinica-mjere defines the following codes in a Is-A heirarchy:

Code Display
cm centimetar
doza doza
g gram
ij internacionalna jedinica
IU internacionalna jedinica
j jedinica
kg kilogram
l litra
m metar
mcg mikrogram
mg miligram
Mij milijun internacionalnih jedinica
ml mililitar
mmol milimol
MU milijun internacionalnih jedinica
MUI (Mi.j.) milijun internacionalnih jedinica
Tij tisuću internacionalnih jedinica
Tj tisuću internacionalnih jedinica
TU tisuću internacionalnih jedinica
TUI (Ti.j.) tisuću internacionalnih jedinica
U internacionalna jedinica
UI (i.j.) internacionalna jedinica
cc centimetar kubni
mol mol
ng nanogram
% postotak
<status value="draft" /> <experimental value="false" /> <date value="2023-03-06" /> <contact> <name value="Krešimir Kerš" /> <telecom> <system value="email" /> <value value="kresimir.kers@ericsson.com" /> </telecom> </contact> <description value="Jedinica mjere administriranog lijeka" /> <jurisdiction> <coding> <system value="urn:iso:std:iso:3166" /> <code value="HR" /> <display value="Croatia" /> </coding> <text value="Croatia" /> </jurisdiction> <caseSensitive value="false" /> <hierarchyMeaning value="is-a" /> <compositional value="false" /> <versionNeeded value="false" /> <content value="complete" /> <concept> <code value="cm" /> <display value="centimetar" /> </concept> <concept> <code value="doza" /> <display value="doza" /> </concept> <concept> <code value="g" /> <display value="gram" /> </concept> <concept> <code value="ij" /> <display value="internacionalna jedinica" /> </concept> <concept> <code value="IU" /> <display value="internacionalna jedinica" /> </concept> <concept> <code value="j" /> <display value="jedinica" /> </concept> <concept> <code value="kg" /> <display value="kilogram" /> </concept> <concept> <code value="l" /> <display value="litra" /> </concept> <concept> <code value="m" /> <display value="metar" /> </concept> <concept> <code value="mcg" /> <display value="mikrogram" /> </concept> <concept> <code value="mg" /> <display value="miligram" /> </concept> <concept> <code value="Mij" /> <display value="milijun internacionalnih jedinica" /> </concept> <concept> <code value="ml" /> <display value="mililitar" /> </concept> <concept> <code value="mmol" /> <display value="milimol" /> </concept> <concept> <code value="MU" /> <display value="milijun internacionalnih jedinica" /> </concept> <concept> <code value="MUI (Mi.j.)" /> <display value="milijun internacionalnih jedinica" /> </concept> <concept> <code value="Tij" /> <display value="tisuću internacionalnih jedinica" /> </concept> <concept> <code value="Tj" /> <display value="tisuću internacionalnih jedinica" /> </concept> <concept> <code value="TU" /> <display value="tisuću internacionalnih jedinica" /> </concept> <concept> <code value="TUI (Ti.j.)" /> <display value="tisuću internacionalnih jedinica" /> </concept> <concept> <code value="U" /> <display value="internacionalna jedinica" /> </concept> <concept> <code value="UI (i.j.)" /> <display value="internacionalna jedinica" /> </concept> <concept> <code value="cc" /> <display value="centimetar kubni" /> </concept> <concept> <code value="mol" /> <display value="mol" /> </concept> <concept> <code value="ng" /> <display value="nanogram" /> </concept> <concept> <code value="%" /> <display value="postotak" /> </concept> </CodeSystem>