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Is there a need for an 'Index' property - qualifier value?

Added by Sarah Harry on Feb 16, 2022

Is there a need for a property qualifier value for 'Index' results? If not, what is the property? This is a calculation from quantitations that turns them into a numeric dimensionless result value in relation to the integer ordinal value '1.0' with this number representing equality, range being any decimal fraction number. e.g. Antibody index, Free androgen index, Haemolysis index, Lipaemia index, Icterus index. This is not a percent but a decimal fraction less than or greater than 1.0 without

Status: New 338 View 0 Comment Comments enabled In the category: Undefined

Livestock-associated MRSA

Added by Feikje Hielkema-Raadsveld on Oct 25, 2021

I've had a request for codes for four types of organisms: Livestock- and non-livestock-associated MRSA and MSSA. Now in the Netherlands we generally report MRSA as a species (Staphyloccus aureus) with SNOMED, with LOINC codes that denote its resistance/susceptability to various antibiotics. But how to handle the livestock-associated bit? Appararently it is a feature of the organism - something that they determine based on the culture results, not the origin of the specimen. I can't fin

Status: New 469 View 0 Comment Comments enabled In the category: Undefined

Parasite isolate

Added by Feikje Hielkema-Raadsveld on Oct 25, 2021

Hi all, we're looking for a code for an isolate specimen of a (suspected) parasite. The local microbiologist are in favour of using the same code as for other isolates, i.e. 119303007 | Microbial isolate specimen (specimen) | - on the basis that they're isolates, period. I'm not sure you could classify all parasites as microbials though, so that code doesn't really work. There is no alternative in SNOMED that I can detect - though I could request a new concept for 'isolate' as parent of

Status: New 814 View 0 Comment Comments enabled In the category: Undefined

as of 2021 status of LOINC and SNOMED CT cooperation

Added by Vojtech Huser on Sep 10, 2021

As of Aug 2021, is there coordination of effort and future plans?

Status: In discussion 648 View 1 Comment Comments enabled In the category: Undefined

Comment Last contribution, Sep 10, 2021. All contributions

Jim Case

SNOMED International is still in discussion with the Regenstrief Institute regarding a future collaborative agreement. The current agreement is in effect until at least the end of 2021. The current SNOMED expression set for the top 2000 LOINC terms is currently undergoing revision and updating to reflect changes since the initial publication of the expressions in 2017. It is anticipated that this updating will be completed in early 2022.

Cycle threshold (Ct) values in nucleic acid amplification observables

Added by Sarah Harry on Aug 27, 2021

Options for modelling cycle threshold (Ct) results that are reported alongside the DNA/RNA presence results for microorganisms, reviewing existing SNOMED options and examining LOINC and NPU/IUPAC representations.

Status: In discussion 2024 View 4 Comment Comments enabled In the category: Undefined

Comment Last contribution, Oct 14, 2021. All contributions

Daniel Karlsson

By the definition of entity from M-W below (my higlight), I believe that entity is broad enough. Anything that isn't an entity would not be countable. So, yes, this would be the one to use. One could argue that plain "Count" should be a synonym. Definition of entity 1a: BEING https://www.merriam-webster.com/dictionary/being, EXISTENCE https://www.merriam-webster.com/dictionary/existence especially : independent, separate, or self-contained existence b: the existence of a thing as contrasted with its attributes 2: something that has separate and distinct existence and objective or conceptual reality 3: an organization (such as a business or governmental unit) that has an identity separate from those of its members

Inheres in for SARS-CoV-2 tests and in general

Added by Daniel Karlsson on Aug 18, 2021

Discussion about how to use Inheres in (in relation to Direct site) for 1. SARS-CoV-2 tests and 2. in general.

Status: In discussion 1372 View 3 Comment Comments enabled In the category: Undefined

Comment Last contribution, Oct 14, 2021. All contributions

Daniel Karlsson

For comparison: NPU59105 Secr(Nasoph)—Severe acute respiratory syndrome coronavirus 2(RNA); arb.c.(proc.) = ? LOINC: 94759-8 SARS-CoV-2 (COVID-19) RNA [Presence] in Nasopharynx by NAA with probe detection (system = Nph)

Evaluation Procedures

Added by James R. Campbell on Sep 22, 2020

What to do with Evaluation Procedures?

Status: In discussion 5322 View 21 Comment Comments enabled In the category: Undefined

Comment Last contribution, Mar 22, 2022. All contributions

Sarah Harry

dkarlsson Hi Daniel et al. A late question arose in Observables meeting 2022/3/21 as to whether there is a contradiction between a. maintenance of procedure codes for evaluations using assessment scales leading to a scale core and b. the inactivation of such procedure codes for laboratory evaluations. Much of this is reviewed above so I shan't repeat it (much) but merely say that there are different types of orderables so the binary is not simple (a passing thought that SNOMED would benefit from a classification of orderables, at leaast for lab, happy to pitch in on that from work I've done in the past). My main point is that an equivalence is being suggested that IMHO isn't there so the question needs that assumption unpacking. I think a true equivalence would need to bring lab orderables into logically expressive line with scale orderables but I don't think that is useful or do-able. It would mean something like: Assessment of renal function of subject by measurement of creatinine in serum. (Not simply, 'measurement of creatinine in serum') This example mirrors (I think) the rough model for scale orderables although the reason is implicit in the scale definition. There is no case for this model in lab procedures. Indications for procedures should not be combined with procedures in principle (although there are many examples unfortunately). A clinician monitoring dialysis efficacy in an anephric patient is not looking at renal function. It's also a simplistic analogue of renal function. What is performed as a result of the orderable is not always and cannot simply be defined in the orderable and is a labspace issue much as a detailed surgical procedure is a theatrespace issue. Such nesting is not needed. (Note I am not party to the UK review of dual coding lab procedure and observable for everything.) I think there is a deeper division of observing as observer and measuring as actor which is sometimes useful, sometimes not. The same goes for how evaluation, examination, measurement, observation, capture and recording are deeply nested. Basically I don't think we are comparing like with like and exploding all things into aligned forms on this nesting while logical/reproducible isn't obviously useful. Therefore I support the existing pattern of scale procedure orderable with score observables and the proposed lab pattern of retaining panels and other orderables (screens, profiles, studies etc) as procedures with individual reportable results as observables. I think the distinction is justifiable notwithstanding inevitable edge cases.

SNOMED CT (and observables) and research (registries, observational studies)

Added by Vojtech Huser on Oct 9, 2019

Registries are possibly adopters of SNOMED CT and users of observables

Status: In discussion 861 View 2 Comment Comments enabled In the category: Undefined

Comment Last contribution, Oct 9, 2019. All contributions

Daniel Karlsson

There is a registry metadata initiative in Sweden. Just let me know if you want to get in contact with them. https://www.registerforskning.se/en/register-i-sverige/verktyget-rut/ https://www.registerforskning.se/en/register-i-sverige/verktyget-rut/ /Daniel

Prothrombin time inverse ratio (procedure)|

Added by Suzanne Santamaria on Aug 28, 2019

Is 117054005 |Prothrombin time inverse ratio (procedure)| a valid concept? We cannot find a strong reference for it. LOINC includes "Prothrombin time inverse ratio" as a related name of "Prothrombin index"(https://loinc.org/6302-4/). It also appears as a related name associated with an inactive LOINC Term (http://www.hipaaspace.com/medical_billing/coding/logical.observation.identifiers.names.and.codes/5896-5).

Status: In discussion 786 View 1 Comment Comments enabled In the category: Undefined

Comment Last contribution, Oct 29, 2019. All contributions

Suzanne Santamaria

dkarlsson I had posted the above question a couple of months ago and haven't received a response. Could we add it as an agenda item for our next OIMP call? There is a request to inactivate this concept. Thanks, Suzanne

Clinical observables

Added by James R. Campbell on Dec 11, 2018

Development of clinical observables ontology for US domain

Status: In discussion 2417 View 7 Comment Comments enabled In the category: Undefined

Comment Last contribution, May 25, 2021. All contributions

James R. Campbell

I have appended to the last meeting page the presentation from today to the Anesthesiology CRG on Glasgow Coma Scale and machine learning using the neurological exam

	Topic	Status	Author	View	Replies	Creation date	Last Reply	Contributors	Category
Question	Is there a need for an 'Index' property - qualifier value?	New	Sarah Harry	View 338	Comment 0	1645031447000 Feb 16, 2022 17:10	0 -	0 -	Undefined
Discussion	Livestock-associated MRSA	New	Feikje Hielkema-Raadsveld	View 469	Comment 0	1635153379000 Oct 25, 2021 09:16	0 -	0 -	Undefined
Discussion	Parasite isolate	New	Feikje Hielkema-Raadsveld	View 814	Comment 0	1635152459000 Oct 25, 2021 09:00	0 -	0 -	Undefined
Discussion	as of 2021 status of LOINC and SNOMED CT cooperation	In discussion	Vojtech Huser	View 648	Comment 1	1631281379000 Sep 10, 2021 13:42	Sep 10, 2021 23:54	1	Undefined
Discussion	Cycle threshold (Ct) values in nucleic acid amplification observables	In discussion	Sarah Harry	View 2024	Comment 4	1630074114000 Aug 27, 2021 14:21	Oct 14, 2021 13:03	4	Undefined
Discussion	Inheres in for SARS-CoV-2 tests and in general	In discussion	Daniel Karlsson	View 1372	Comment 3	1629287025000 Aug 18, 2021 11:43	Oct 14, 2021 12:54	3	Undefined
Discussion	Evaluation Procedures	In discussion	James R. Campbell	View 5322	Comment 21	1600813930000 Sep 22, 2020 22:32	Mar 22, 2022 09:54	21	Undefined
Discussion	SNOMED CT (and observables) and research (registries, observational studies)	In discussion	Vojtech Huser	View 861	Comment 2	1570630321000 Oct 9, 2019 14:12	Oct 9, 2019 15:37	2	Undefined
Discussion	Prothrombin time inverse ratio (procedure)\|	In discussion	Suzanne Santamaria	View 786	Comment 1	1567018858000 Aug 28, 2019 19:00	Oct 29, 2019 18:51	1	Undefined
Discussion	Clinical observables	In discussion	James R. Campbell	View 2417	Comment 7	1544537453000 Dec 11, 2018 14:10	May 25, 2021 19:58	7	Undefined

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