2025-07-22 Anesthesia CRG Meeting

Invitees:

@Andrew Marchant @Ian Green @Cato Christian Spook @Steven Dain @Katarina Lindve @Farzaneh Ashrafi

@Patrick McCormick @Monica Harry @Jane Millar @Jeremy Rogers @Christine Spisla @Grant Forrest @Charles Gutteridge @Victor Medina @Kelly Read

Apologies:

@Cato Christian Spook @Katarina Lindve

Present:

@Andrew Marchant @Patrick McCormick @Steven Dain @Monica Harry Daniel Asher (UH Cleveland MC).

Anesthesia Clinical Reference Group

Time: Tuesday, July 22, 2025 20:00 - 21:00 UK / 15:00 - 16:00 ET

https://snomed.zoom.us/j/85332332541?pwd=EsT8nqAJ1PHvl9FbEx7UzmFiZoA1JE.1

Meeting ID: 853 3233 2541

Password: 592303

Or Telephone:

+1 646 518 9805 (US Toll)
+44 203 481 5237 (GB Toll)
+1 587 328 1099 (CA Toll)

International numbers available: https://snomed.zoom.us/u/avs0qL3Fx

Item	Description	Owner	Notes

Item	Description	Owner	Notes
1	Introductions and Apologies	@Andrew Marchant	Apologies were received from @Cato Christian Spook and @Katarina Lindve .
2	Matters arising from the previous meeting notes 2025-05-27 Anesthesia CRG Meeting	@Andrew Marchant	@Patrick McCormick has opened discussions with Dan Asher (FHIR, US "Core Patient"), nil further to report at this stage. Notes of the previous meeting were accepted.
3	SNOMED Update	@Monica Harry	Work of previous meetings has been incorporated in the SNOMED working classification. SNOMED has 50 members countries now, and is liaising with many other terminologies. LOINC is being mapped to SNOMED. There is ongoing cleanup of the SNOMED classification (including procedures - @Victor Medina ), as there is with other established systems.
4	Ventilation new concept requests	@Steven Dain	Discussion of grades of Oxygen: need to include "Product containing 90% or greater Oxygen" to accommodate hospitals which use oxygen concentrators rather than cylinders/ liquid O2 - increasingly seen, even in urban areas. Will need to use a "Medicinal Product" form. Note that the supply from an O2 concentrator may be variable. Note grades including "Oxygen 93", "Oxygen 98", "Oxygen 99". Equipment will have to be labelled to describe what they can accommodate. (Note: some O2 analysers (infrared tech) do not distinguish Argon and O2, so there's a risk of hypoxic mixtures at low flow rates in anaesthesia). Will have to see that SNOMED can describe these formulations and monitoring methods.
5	FHIR HL7	@Grant Forrest	Noted work on devices and classification in FIHR https://build.fhir.org/device.html Work ongoing - Daniel A may discuss further with @Steven Dain . https://build.fhir.org/ig/HL7/intraproc-anesthesia/
6	UK Single Patient Record	@Grant Forrest
7	Items for future discussion	All	Will discuss nerve blocks, with a view to judging whether SNOMED's classification requires update. @Patrick McCormick to compile a list of blocks used in his institution as a starting point. Noted that the landscape is under constant change. Daniel may also be able to offer suggestions.
8	Dates of next meeting	@Andrew Marchant @Patrick McCormick	Next meeting Tuesday September 23, 2025 2025-09-23 Anesthesia CRG Meeting Antwerp F2F Tuesday October 21?