| ID | Type of data (e.g. diagnosis, finding, procedure) | Date reported | Originally reported by | Definition (including details of the body structure(s) involved if not obvious from the name) | Description of data | Is there a SNOMED code which is related but does not sufficient | Existing SNOMED CT code | Any other terminology or classification where the term exists | If so, details | Any other info | Suggestion/proposal - Ideas of the best way this issue could be addressed | Peer-reviewed reference(s) to support proposal (published within last 10 years) | Author of log | Reported to SNOMED (dated and details) | Named and dated updates | Resolved (dated and method of resolution) |
| 1 | Diagnosis | superior or inferior hemi retinal vein occlusion | Yes | N/A | AB comment: 232043000 = Hemispheric retinal vein occlusion. Do you also want to request quadrants for BRVO? DH comment: Terms for superior HRVO and inferior HRVO desirable (as we have graphic entities that describe both). | David Haider | EWooler These can be added, but can I confirm the body structures where the occlusion occurs? In SNOMED we have:
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| 2 | Diagnosis | Dome Shaped Maculopathy | No | N/A | I submitted a request for this, but it has not currently been accepted. Dec 2021 Update: My submission to SNOMED has now been accepted and new SNOMED code for DSM has now been created: 1366121000000108 | David Haider | complete | EWooler 26/02/24 This is a UK extension concept and not currently in the International release. I can request this is promoted from the UK extension. Though the PT would be Dome shaped macula with a synonym of Dome shaped maculopathy. | ||||||||
| 3 | Diagnosis | Partial thickness macular hole | Yes | 677921000119101, 677871000119105, 677971000119100, | There are codes for left, right and bilateral partial thickness macular hole, but no non-lateralised term like these is for most other diagnoses. Our workaround has been to use 312701008 to represent partial thickness / lamellar hole. But this term is slight different, and used for Stage 1 / Impending macular hole. The difference is small, but present. | David Haider | EWooler 26/02/24 This can be added. Will advise when completed. | Completed and release date of 1 July 2024 anticipated. | ||||||||
| 4 | Diagnosis, Finding | asymmetric optic disc cupping (anisoexcavation) | Yes | 12451000 | We map this to the generic 'Optic cupping' finding in SNOMED as we have not found a closer match. | Alex Brown, Medisoft | ||||||||||
| 5 | Diagnosis | We have individual diagnoses for various secondary closed angle glaucoma due to: ROP, silicone oil, uveal effusion - increased choroidal venous pressure, uveal effusion - scleritis, uveal effusion - other, plateau iris, wound leak, aqueous misdirection, congenital anomaly, epithelial ingrowth, gas in vitreous, intraocular tumour, lens dislocation. | Yes | 21571006 | We map all of these secondary closed angle glaucoma diagnoses to the parent term 'secondary angle-closure glaucoma' in SNOMED. | Alex Brown, Medisoft | EWooler 26/02/24 Some of these exist 715144004 |Glaucoma caused by silicone oil (disorder)| including left, right and bilateral. But do not state open or closed. 15995591000119109 |Glaucoma of left eye due to plateau iris (disorder)| but again do not state open or closed. Congenital - currently editing content in this area as some existed but and modelled as congenital but without that word in the description so are being updated: Glaucoma due to congenital chamber angle anomaly - including left/right/bilateral 1231271005 |Glaucoma due to and following retinopathy of prematurity (disorder)| - no lateralised content yet. Does not currently state open or closed. Is it always closed angle? If the group can confirm the list to be added and if the current concepts are still relevant even though they do not state open or closed and we can add subtypes to these. | |||||||||
| 6 | Diagnosis | We have individual diagnoses for various secondary closed angle glaucoma due to tumours/cysts: ciliary body cyst iris cyst uveal effusion - tumour related | Yes | 27735002 | We map all of these secondary closed angle glaucoma diagnoses to the parent term 'Glaucoma associated with tumors AND/OR cysts' in SNOMED. | Alex Brown, Medisoft | Existing 788947003 |Glaucoma due to intraocular neoplasm (disorder)| including left/right/bilateral. This is modelled as open angle. Is a closed angle version also required? 275477002 |Glaucoma due to ocular cyst (disorder)| including left, right and bilateral. Content also added for ciliary and iris cysts for release 1 July 2024 27735002 |Glaucoma associated with tumors AND/OR cysts (disorder)| does not now conform to editorial guidance so I would like to inactivate and replace pointing to replacements Existing 788947003 |Glaucoma due to intraocular neoplasm (disorder)| and 275477002 |Glaucoma due to ocular cyst (disorder)| | |||||||||
| 7 | Diagnosis | We have individual diagnoses for various secondary open angle glaucoma due to: silicone oil, acute anterior uveitis, chronic anterior uveitis, intermediate uveitis, ocular surgery or laser, panuveitis, trauma, retinal detachment, siderosis, tumour infiltration. | Yes | 21928008 | We map our secondary open angle glaucoma diagnoses to the parent term 'secondary open angle glaucoma' in SNOMED, apart from for 'secondary open angle glaucoma (steroid induced)' for which there is a specific distinct code. | Alex Brown, Medisoft | 715144004 |Glaucoma caused by silicone oil (disorder)| is modelled as open angle. I can include this in the descriptions if there is also a closed angle version. 1285335004 |Open angle glaucoma due to ocular surgery (disorder)| exists with lateralised content. 1111391000000107 |Open angle glaucoma due to ocular trauma (disorder)| exists with lateralised content. 788948008 |Glaucoma due to retinal detachment (disorder)| exists but not modelled as open or closed. Is this always open? Can add if the group agree but do they all need open and closed angle versions? Glaucoma due to acute anterior uveitis - can this be closed as well as open angle? Glaucoma due to chronic anterior uveitis - can this be closed as well as open angle? Glaucoma due to intermediate anterior uveitis - can this be closed as well as open angle? Glaucoma due to ocular laser surgery - can this be closed as well as open angle? Glaucoma due to panuveitis - can this be closed as well as open angle? Glaucoma due to siderosis - can this be closed as well as open angle? How is glaucoma due to tumour infiltration different from 788947003 |Glaucoma due to intraocular neoplasm (disorder)| ? | |||||||||
| 8 | Diagnosis | glaucoma suspect | Yes | 23986001 | SNOMED doesn't seem to offer 'glaucoma suspect' data items, so we currently map these to the non-suspect equivalent. Have found some reference in our old notes to a SNOMED code for glaucoma suspect but this doesn't seem to exist in my browser: 232079008 | Alex Brown, Medisoft | EWooler 26/02/24 232079008 |Glaucoma suspect (situation)| was inactivated and replaced with: 833278008 |Glaucoma suspect (disorder)| which also has 14 subtypes e.g. 1003488007 |Angle closure glaucoma suspect (disorder)|, 1003530008 |Glaucoma suspect caused by corticosteroid (disorder)|, 1003614009 |Open angle glaucoma suspect (disorder)| | |||||||||
| 9 | Diagnosis | normal pressure glaucoma suspect | Yes | 50485007 | SNOMED doesn't seem to offer 'glaucoma suspect' data items, so we currently map these to the non-suspect equivalent. | Alex Brown, Medisoft | The current definition in SNOMED for 833278008 |Glaucoma suspect (disorder)| includes elevated IOP: At least 1 of these in 1 eye: optic nerve or nerve fiber layer suggestive of glaucoma; abnormal visual field consistent with glaucoma; an elevated IOP > 22 mm Hg. Can add if group agrees needed. | |||||||||
| 10 | Diagnosis | primary juvenile glaucoma suspect | Yes | 71111008 | SNOMED doesn't seem to offer 'glaucoma suspect' data items, so we currently map these to the non-suspect equivalent. | Alex Brown, Medisoft | This concept was in the earlier versions of the EGS Terminology and Guidelines for Glaucoma but is not in the latest version. Would be useful to understand why this is and if it should be added? | |||||||||
| 11 | Diagnosis | We have indivudal diagnoses for various congenital glaucomas: Broad thumb syndrome chromosomal abnormality | Yes | 204113001 | We map these congenital glaucoma diagnoses to the parent term 'congenital glaucoma' in SNOMED, there are child options of this term but not an exact match that we are aware of. | Alex Brown, Medisoft | Broad thumb syndrome is now referred to as Rubinstein-Taybi syndrome. We can add a concept for glaucoma in this syndrome if agreed by the group. Regarding chromosomal abnormalities is it possible to narrow these down to specific chromosome abnormality syndromes? | |||||||||
| 12 | Diagnosis | rubeotic glaucoma associated with central retina artery occlusion | Yes | 232086000 | We map this to the parent term 'neovascular glaucoma' in SNOMED. There are some child options in SNOMED but not for this specific cause. | Alex Brown, Medisoft | There is 1285643003 |Neovascular glaucoma due to central retinal vein occlusion (disorder)| which has a synonym of Rubeotic glaucoma due to central retinal vein occlusion. We could add an artery version if agreed by the group. | |||||||||
| 13 | Diagnosis | risk of angle closure glaucoma | Yes | 314018004 | We map this to the parent term 'At risk of glaucoma' in SNOMED, which may be sufficient. | Alex Brown, Medisoft | 314018004 |At increased risk of glaucoma (finding)| and could add At increased risk of angle closure glaucoma. | |||||||||
| 14 | Diagnosis | closed angle glaucoma (intumescent lens) | Yes | 392300000 | I think this mapping is fine but not sure if there is scope for this to be added as an explicit synonym to SNOMED? | Alex Brown, Medisoft | Could add a synonym here if this is truly a synonym of 392300000 |Phacomorphic angle closure glaucoma due to disorder of lens (disorder)|. Though there is an existing concept - 95724003 |Intumescent cataract (disorder)| | |||||||||
| 15 | Diagnosis, Finding | no evidence of glaucoma no evidence of glaucoma or ocular hypertension | No | N/A | Assumed it was an editorial decision that SNOMED CT does not support negatives and these should be handled via qualifiers, however a handful of 'no evidence of…' findings exist relating to neoplasms. | Alex Brown, Medisoft | We do have 1109141000000102 |No evidence of glaucoma (situation)| with left and right versions. But you are correct that negation is out of scope for the terminology and software vendors are encouraged to store this in the information model. | |||||||||
| 16 | Finding | is the natural formation of new blood vessels in the form of functional microvascular network, capable of perfusion of red blood cells, that form as collateral circulation in response to local poor perfusion or ischemia | Neovascularization | Yes | Retinal neovascularization (disorder) 61267008 | Investigative ophthalmology & visual science - 10.1167/iovs.65.1.22 Scientific reports - 10.1038/s41598-023-49964-8 Journal of opharmaceutical analysis - 10.1016/j.jpha.2023.05.002 | Fritz Kalaw | 1285475006 |Neovascularization of eye (finding)| exists with lateralised versions. | ||||||||
| 17 | Diagnosis | based on clinical impression, | Severe proliferative diabetic retinopathy | Yes | Very severe proliferative diabetic retinopathy 399865004 | Ophthalmic surgery, lasers and imaging retina – https://doi.org/10.3928/1542-8877-20030701-01 Ophthalmology - 10.1016/s0161-6420(85)34002-2 Archives of ophthalmology - doi:10.1001/archopht.1985.01050110038020 | Fritz Kalaw | Could be added if there is an agreed international definition of what this is. Could also add a definition to the existing concept 399865004 |Very severe proliferative retinopathy due to diabetes mellitus (disorder)|. | ||||||||
| 18 | Finding | Any blood in the vitreous cavity; presence of extravasated blood within a space lined by posterior lens capsule anteriorly, internal limiting membrane posteriorly, and non-pigmented epithelium of ciliary body laterally | Vitreous hemorrhage | Yes | Vitreous hemorrhage due to diabetes mellitus 312910009 | Survey of Ophthalmology - https://doi.org/10.1016/S0039-6257(97)84041-6 Ophthalmology - https://doi.org/10.1016/S0161-6420(87)33528-6 Canadian journal of ophthalmology - https://doi.org/10.1016/j.jcjo.2017.09.027 | Fritz Kalaw | Exists 31341008 |Vitreous hemorrhage (disorder)| with lateralised versions. | ||||||||
| 19 | Finding | have been described in persons with and without hypertension and associated with clinical and subclinical manifestations of atherosclerosis and a broad group of risk factors for vascular disease; described as focal and generalized narrowing and arteriovenous nicking | Arteriolar abnormalities | No | Retina - 10.1097/IAE.0000000000003959 Arteriosclerosis, thrombosis, and vascular biology -https://doi.org/10.1161/01.ATV.20.6.1644 Clinical & experimental ophthalmology - https://doi.org/10.1111/j.1442-9071.2008.01825.x | Fritz Kalaw | 737161008 |Disorder of arteriole (disorder)| exists but very high level and we have 417019000 |Retinal arteriolitis (disorder)| which is inflammation. Is a higher level Disorder of retinal arteriole needed? | |||||||||
| 20 | Finding | occurs when retina does not have the efficient tissue perfusion seen using fundus color or fundus fluorescein angiography | Capillary nonperfusion | No | Bioimpacts - 10.15171/bi.2015.27 Ophthalmology - doi: 10.1016/j.ophtha.2019.06.022. Scientific reports - 10.1038/s41598-020-71622-6. | Fritz Kalaw | Would this be specifically - Capillary non-perfusion of retina? | |||||||||
| 21 | Diagnosis | some retinal thickening or hard exudates in the posterior pole, distant from the center of the macula | Mild diabetic macular edema | No | Ophthalmic and physiological optics - 10.1111/opo.13261 Ophthalmic and physiological optics - 10.1111/opo.13261 World journal of diabetes - 10.4239/wjd.v4.i6.290 | Fritz Kalaw | Can add as consistent with ICD11 definition https://icd.who.int/dev11/l-m/en#/http://id.who.int/icd/entity/1116345240 Mild diabetic macular edema = Some retinal thickening or hard exudates in posterior pole but distant from the centre of the macula | |||||||||
| 22 | Diagnosis | retinal thickening or hard exudates near the center of the macula but not involving the center | Moderate diabetic macular edema | No | Ophthalmic and physiological optics - 10.1111/opo.13261 Ophthalmic and physiological optics - 10.1111/opo.13261 World journal of diabetes - 10.4239/wjd.v4.i6.290 | Fritz Kalaw | Similar to above: Moderate diabetic macular edema definition = Retinal thickening or hard exudates approaching the centre of the macula but not involving the centre | |||||||||
| 23 | Finding | is the nonperfusion of the retina circumscribing the parafovea and fovea; perifovea is a belt that covers a 10 degree radius around the fovea and is 1.5 mm wide | Perifoveal capillary nonperfusion | No | International ophthalmology - doi.org/10.1007/s10792-023-02882-0 Annals of eye science – 10.21037/aes.2017.06.08 European journal of ophthalmology - https://doi.org/10.5301/ejo.5000948 | Fritz Kalaw | Can add this. | |||||||||
| 24 | Diagnosis | retinal thickening or hard exudates involving the center of the macula | Severe diabetic macular edema | No | Ophthalmology - https://doi.org/10.1016/S0161-6420(03)00475-5 Ophthalmic and physiological optics - 10.1111/opo.13261 World journal of diabetes - 10.4239/wjd.v4.i6.290 | Fritz Kalaw | Similar to mild and moderate. ICD11 definition = Retinal thickening or hard exudates involving the centre of the macula | |||||||||
| 25 | Finding | hemorrhage of the retina located in various layers from the internal limiting membrane to the outer nuclear layer which can cause hypofluorescent blockage | Intraretinal hemorrhages | Yes | Retinal hemorrhage (disorder) 28998008 | Investigative ophthalmology & visual science - 10.1167/iovs.64.15.39 Journal of vitreoretinal diseases - 10.1177/24741264231163395 Romanian journal of ophthalmology - 10.22336/rjo.2023.51 | Fritz Kalaw | At present 'intraretinal hemorrhage' is a synonym on 28998008 |Retinal hemorrhage (disorder)| Is this synonym more specific than the FSN? | ||||||||
| 26 | Finding | is a common complication of diabetic retinopathy that is associated with damage in the vessels that supply blood to the retina and the enlargement of the foveal avascular zone | Macular ischemia | Yes | Retinal ischemia 26468004 | Ophthalmology and therapy - 10.1007/s40123-022-00546-3 Ophthalmologica, International journal of ophthalmology - 10.1159/000515406 Cureus - 10.7759/cureus.3064 | Fritz Kalaw | Exists as a synonym on 312913006 |Ischemic maculopathy (disorder)| | ||||||||
| 27 | Finding | is a yellow-white lesion in the superficial retina that usually occupies an area less than one fourth of that of the optic nerve | Soft exudates | Yes | Retinal exudates 193423005 | Computers in biology and medicine - 10.1016/j.compbiomed.2023.107854 Journal of digital imaging - 10.1007/s10278-015-9793-5 British medical journal case reports - https://doi.org/10.1136/bcr-2023-255723 | Fritz Kalaw | Exists as a synonym on 39832008 |Cotton wool spots (disorder)| | ||||||||
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