LOINC long common name : Macular grid.inner inferior subfield thickness by OCT;
LOINC short name : Macular grid.IIS thickness OCT;
LOINC description : Mean ILM-RPE (internal limiting membrane - retinal pigment epithelium) measurement
of all A-scans within the inferior sector between the 500 micrometer and the 1500
micrometer circles, see ETDRS;