Extensible
20100607
1.2.840.10008.6.1.319
Table CID 4203. Ophthalmic Photography Illumination
Coding Scheme Designator
Code Value
Code Meaning
SNOMED-CT Concept ID
UMLS Concept Unique ID
SRT
R-1020E
Dual diffuse direct illumination
410461001
C1444589
R-1020F
Fine slit beam direct illumination
410462008
C1444590
R-10211
Broad tangential direct illumination
410463003
C1444591
R-10213
Indirect sclerotic scatter illumination
410464009
C1444592
R-10215
Indirect retroillumination from the iris
410465005
C1444593
R-10217
Indirect retroillumination from the retina
410466006
C1444594
R-10218
Indirect iris transillumination
410467002
C1444595
DCM
111625
Diffuse direct illumination
111627
Scotopic light
111628
Mesopic light
111629
Photopic light
111630
Dynamic light
Reference: From the OPS web site: http://www.opsweb.org/Op-Photo/SlitLamp/SL/SlitLamp.htm