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In presenting some provisional work, the Red, Amber and Green mappings are being addressed as follows:
| Red | Discussion with SNOMED International (SI) Head of Terminology to consider either inclusion of additional concepts into SNOMED CT, or, confirmation that content should be considered out of scope |
| Amber | Discussion with appropriate working groups in HL7 |
| Green | Forwarding to Grahame Grieve for a first pass review |
The following sections list the "Amber" mappings along with the group's specific questions.
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No specific question here, I think we're just looking for feedback. There is some context here in that we're looking at problem statuses, but from the SNOMED CT perspective, the context that we're talking about Allergy Intolerances is missing.
HL7 Value | Suggested SNOMED CT concept |
|---|---|
| Active | 394774009 |Active problem (qualifier value)| |
| Inactive | 394775005 |Inactive problem (qualifier value)| |
| Resolved | -- Would need to be created – |
AllergyIntolerance.VerificationStatus
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The main question here is about the suggested "Known possible" concept and whether this sufficiently matched the meaning of "unconfirmed". In addition the group suggested moving 723511001 | Refuted (qualifier value) | to be a subtype of 410594000 |Definitely NOT present (qualifier value)| and (checking the daily build shows that) this has already been done and will therefore be available in the SCT 20190731 International Edition.
HL7 Value | Suggested SNOMED Term |
|---|---|
| Unconfirmed | 410590009 |Known possible (qualifier value)| |
| Confirmed | 410605003 |Confirmed present (qualifier value)| |
| Refuted | 723511001 | Refuted (qualifier value) | |
| Entered in Error | 723510000 |Entered in error (qualifier value)| |
AllergyIntolerance.Criticality
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The question here is around the difference between Unconfirmed and Differential. In SNOMED CT terms, both could be considered "Known possible" and while we might say "Suspected" for one and "Known possible" for the other, the group noted that 415684004 |Suspected (qualifier value)| is a specialisation of 410590009 |Known possible (qualifier value)| which means that everything that's true of "Known Possible" is also considered true of "Suspected" - as far as SNOMED CT is concerned anyway!
HL7 Value | Suggested SNOMED Term |
|---|---|
| Unconfirmed | 415684004|Suspected (qualifier value)| OR 410590009 |Known possible (qualifier value)| |
| Provisional | 410592001|Probably present (qualifier value)| |
| Differential | 410590009|Known possible (qualifier value)| OR 415684004|Suspected (qualifier value)| |
| Confirmed | 410605003 |Confirmed present (qualifier value)| |
| Refuted | 410594000 |Definitely NOT present (qualifier value)| (note that 723511001 |Refuted (qualifier value)| is a child here). |
| Entered In Error | 723510000 |Entered in error (qualifier value)| |