# Latest **URL:** https://forum.loinc.org/latest.md?page=2 [Latest](https://forum.loinc.org/latest.md) · [Categories](https://forum.loinc.org/categories.md) · [Tags](https://forum.loinc.org/tags.md) **Page:** 3 --- ## [LOINC Codes - Canadian Lab Tests](https://forum.loinc.org/t/loinc-codes-canadian-lab-tests/2939)
**Author:** [@455677363625](https://forum.loinc.org/u/455677363625)\ **Replies:** 3\ **Last updated:** [January 5, 2026, 3:53pm UTC](https://forum.loinc.org/t/loinc-codes-canadian-lab-tests/2939 "2026-01-05T15:53:14Z")
Hi Everyone, Can someone please point out where I can find LOINC codes for all lab tests? Preferrably a Canadian dataset? I am trying to build a feature where we can reconcile lab results we receive through the labs an… --- ## [Effective date versus Loinc Version](https://forum.loinc.org/t/effective-date-versus-loinc-version/1669)
**Author:** [@rberge](https://forum.loinc.org/u/rberge)\ **Replies:** 14\ **Last updated:** [December 27, 2025, 4:58pm UTC](https://forum.loinc.org/t/effective-date-versus-loinc-version/1669 "2025-12-27T16:58:09Z")
In some terminologies, there is an effective date (perhaps with a different name) that indicates when the term first started being used and an expiration date which can show the date at which the term is no longer in use… --- ## [Difference between an order, an observation and both in Order/Observation](https://forum.loinc.org/t/difference-between-an-order-an-observation-and-both-in-order-observation/2940)
**Author:** [@nevin2025](https://forum.loinc.org/u/nevin2025)\ **Replies:** 3\ **Last updated:** [December 20, 2025, 12:52am UTC](https://forum.loinc.org/t/difference-between-an-order-an-observation-and-both-in-order-observation/2940 "2025-12-20T00:52:57Z")
Please help me understand this difference with examples in detail --- ## [Consumer Name Kudos](https://forum.loinc.org/t/consumer-name-kudos/2932)
**Author:** [@jencolrn](https://forum.loinc.org/u/jencolrn)\ **Replies:** 3\ **Last updated:** [December 19, 2025, 8:06am UTC](https://forum.loinc.org/t/consumer-name-kudos/2932 "2025-12-19T08:06:42Z")
Just wanted to give a shout-out of appreciation for the Consumer Names (Alpha). We are going to be leveraging those for our lab results display in our patient portal. Any future plans for additional languages here? --- ## [DOCUMENT - what is the defference between Education Note and Counseling Note?](https://forum.loinc.org/t/document-what-is-the-defference-between-education-note-and-counseling-note/2922)
**Author:** [@melissaANS](https://forum.loinc.org/u/melissaANS)\ **Replies:** 3\ **Last updated:** [December 4, 2025, 11:06am UTC](https://forum.loinc.org/t/document-what-is-the-defference-between-education-note-and-counseling-note/2922 "2025-12-04T11:06:15Z")
Hello ! I would describe a document that provide advice to patient. I’m looking for generic LOINC code and found those two : - 34895-3 Education note - 47042-7 Counseling note I’m not sure to unders… --- ## [Document titles for AI-generated clinical documents](https://forum.loinc.org/t/document-titles-for-ai-generated-clinical-documents/2898)
**Author:** [@smaulden](https://forum.loinc.org/u/smaulden)\ **Replies:** 2\ **Last updated:** [November 26, 2025, 8:28pm UTC](https://forum.loinc.org/t/document-titles-for-ai-generated-clinical-documents/2898 "2025-11-26T20:28:05Z")
Does LOINC have a naming convention or guidelines for naming document titles for clinical notes generated by AI, specifically notes generated by ambient scribe technology? --- ## [New content for LOINC-SNOMED identified by mapping to SPIA subsets](https://forum.loinc.org/t/new-content-for-loinc-snomed-identified-by-mapping-to-spia-subsets/2921)
**Author:** [@osbornemj](https://forum.loinc.org/u/osbornemj)\ **Replies:** 3\ **Last updated:** [November 19, 2025, 1:59pm UTC](https://forum.loinc.org/t/new-content-for-loinc-snomed-identified-by-mapping-to-spia-subsets/2921 "2025-11-19T13:59:05Z")
Hi, Just wondering what the process is for suggesting new content for the next release of the LOINC-SNOMED extension. I’ve done some analysis against the October 2025 version of RCPA SPIA reporting subset of LOINC, by … --- ## [Photos from the 2025 LOINC Conference - Friday](https://forum.loinc.org/t/photos-from-the-2025-loinc-conference-friday/2914)
**Author:** [@timbriscoe](https://forum.loinc.org/u/timbriscoe)\ **Replies:** 0\ **Last updated:** [October 27, 2025, 8:28pm UTC](https://forum.loinc.org/t/photos-from-the-2025-loinc-conference-friday/2914 "2025-10-27T20:28:54Z")
Photo credit: Steve Gerrard Photography. --- ## [Photos from the 2025 LOINC Conference - Thursday](https://forum.loinc.org/t/photos-from-the-2025-loinc-conference-thursday/2913)
**Author:** [@timbriscoe](https://forum.loinc.org/u/timbriscoe)\ **Replies:** 0\ **Last updated:** [October 27, 2025, 8:26pm UTC](https://forum.loinc.org/t/photos-from-the-2025-loinc-conference-thursday/2913 "2025-10-27T20:26:20Z")
Photo credit: Steve Gerrard Photography. --- ## [Photos from the 2025 LOINC Conference - Wednesday](https://forum.loinc.org/t/photos-from-the-2025-loinc-conference-wednesday/2912)
**Author:** [@timbriscoe](https://forum.loinc.org/u/timbriscoe)\ **Replies:** 0\ **Last updated:** [October 27, 2025, 8:23pm UTC](https://forum.loinc.org/t/photos-from-the-2025-loinc-conference-wednesday/2912 "2025-10-27T20:23:40Z")
Photo credit: Steve Gerrard Photography. --- ## [Photos from the 2025 LOINC Conference - Tuesday](https://forum.loinc.org/t/photos-from-the-2025-loinc-conference-tuesday/2911)
**Author:** [@timbriscoe](https://forum.loinc.org/u/timbriscoe)\ **Replies:** 0\ **Last updated:** [October 27, 2025, 8:20pm UTC](https://forum.loinc.org/t/photos-from-the-2025-loinc-conference-tuesday/2911 "2025-10-27T20:20:42Z")
Photo credit: Steve Gerrard Photography. --- ## [Short Names in Newest LOINC files](https://forum.loinc.org/t/short-names-in-newest-loinc-files/2910)
**Author:** [@Chilo95](https://forum.loinc.org/u/Chilo95)\ **Replies:** 1\ **Last updated:** [October 27, 2025, 6:01pm UTC](https://forum.loinc.org/t/short-names-in-newest-loinc-files/2910 "2025-10-27T18:01:32Z")
How have other folks with EPIC and Orchard systems handled the lack of Short Names in the newest LOINC files? It seems that the newest releases have affected the display of the LOINC names, specifically when we try to se… --- ## [RDW Search Challenges](https://forum.loinc.org/t/rdw-search-challenges/2901)
**Author:** [@js050784](https://forum.loinc.org/u/js050784)\ **Replies:** 0\ **Last updated:** [October 2, 2025, 12:11pm UTC](https://forum.loinc.org/t/rdw-search-challenges/2901 "2025-10-02T12:11:53Z")
With the updates to the structure of erythrocyte distribution width codes, I’ve found that it is quite difficult to search for this test. Were synonyms changed with the update? Would it be possible to add RDW and eryth… --- ## [Oropouche Virus XXX specimen type](https://forum.loinc.org/t/oropouche-virus-xxx-specimen-type/2635)
**Author:** [@KScott65](https://forum.loinc.org/u/KScott65)\ **Replies:** 3\ **Last updated:** [August 27, 2025, 5:01pm UTC](https://forum.loinc.org/t/oropouche-virus-xxx-specimen-type/2635 "2025-08-27T17:01:26Z")
Were the four Oropouche Virus codes with an XXX specimen type created that way purposefully or would it be wise to request new LOINCs for IgM and IgG where our specimen type is Serum only? --- ## [New clinical note code](https://forum.loinc.org/t/new-clinical-note-code/2588)
**Author:** [@osbornemj](https://forum.loinc.org/u/osbornemj)\ **Replies:** 6\ **Last updated:** [August 14, 2025, 5:09am UTC](https://forum.loinc.org/t/new-clinical-note-code/2588 "2025-08-14T05:09:04Z")
Hi, I’ve been working on the new eRequesting FHIR IG in Australia. We have a need for a code that indicates the Clinical Context for the group of Service Requests as a value for DocumentReference.code . I noticed a li… --- ## [LOINC subset expansion using FHIR endpoint](https://forum.loinc.org/t/loinc-subset-expansion-using-fhir-endpoint/2210)
**Author:** [@osbornemj](https://forum.loinc.org/u/osbornemj)\ **Replies:** 8\ **Last updated:** [August 11, 2025, 1:53pm UTC](https://forum.loinc.org/t/loinc-subset-expansion-using-fhir-endpoint/2210 "2025-08-11T13:53:26Z")
Hi, I’m just trying to work out what the correct way is to subset by class in the compose of an expansion, but I’m finding some strange behaviour of the loinc endpoint: https://fhir.loinc.org The International Patient … --- ## [eGFR Cystatin C based formula clarification](https://forum.loinc.org/t/egfr-cystatin-c-based-formula-clarification/2662)
**Author:** [@cst232](https://forum.loinc.org/u/cst232)\ **Replies:** 0\ **Last updated:** [July 29, 2025, 9:51am UTC](https://forum.loinc.org/t/egfr-cystatin-c-based-formula-clarification/2662 "2025-07-29T09:51:30Z")
Hi Experts, I would like to clarify the LOINC code: 50210-4 is specific indicating CKD-EPI formula? eGFR = 133 x min(Scys/0.8, 1)-0.499 x max (Scys/0.8, 1)-1.328 x 0.996Age x 0.932 \[if female\] The below equatio… --- ## [Generic LOINC code as a temporary placeholder for lab tests yet to be mapped to LOINC](https://forum.loinc.org/t/generic-loinc-code-as-a-temporary-placeholder-for-lab-tests-yet-to-be-mapped-to-loinc/2280)
**Author:** [@CheeYuen14022022](https://forum.loinc.org/u/CheeYuen14022022)\ **Replies:** 3\ **Last updated:** [July 16, 2025, 5:26pm UTC](https://forum.loinc.org/t/generic-loinc-code-as-a-temporary-placeholder-for-lab-tests-yet-to-be-mapped-to-loinc/2280 "2025-07-16T17:26:45Z")
Greetings! Tapping into the collective intelligence of the greater LOINC committee. Does anyone know, if there is an existence of a generic LOINC code which can serve as a temporary placeholder/interim solution for lab… --- ## [Sorry but an error has occured](https://forum.loinc.org/t/sorry-but-an-error-has-occured/2451)
**Author:** [@mynners](https://forum.loinc.org/u/mynners)\ **Replies:** 4\ **Last updated:** [July 14, 2025, 3:48pm UTC](https://forum.loinc.org/t/sorry-but-an-error-has-occured/2451 "2025-07-14T15:48:00Z")
Hi, error when I click Search LOINC. The next window opens but table doesn’t populate, error re-occurs when navigating to any option --- ## [Newbie here: I am looking for LOINC code used for physician note on an outpatient visit](https://forum.loinc.org/t/newbie-here-i-am-looking-for-loinc-code-used-for-physician-note-on-an-outpatient-visit/2637)
**Author:** [@skm1979](https://forum.loinc.org/u/skm1979)\ **Replies:** 1\ **Last updated:** [July 10, 2025, 12:21pm UTC](https://forum.loinc.org/t/newbie-here-i-am-looking-for-loinc-code-used-for-physician-note-on-an-outpatient-visit/2637 "2025-07-10T12:21:21Z")
I am looking for guidance on LOINC code to be used for physician note on an outpatient visit. Can someone help me how to identify the right code, as i see there are many codes defined for physician notes on an outpatient… --- ## [Issue Fetching Normative Answer Lists via CodeSystem/$lookup API](https://forum.loinc.org/t/issue-fetching-normative-answer-lists-via-codesystem-lookup-api/2641)
**Author:** [@soughosh2023](https://forum.loinc.org/u/soughosh2023)\ **Replies:** 0\ **Last updated:** [July 9, 2025, 8:44am UTC](https://forum.loinc.org/t/issue-fetching-normative-answer-lists-via-codesystem-lookup-api/2641 "2025-07-09T08:44:50Z")
Dear team, My goal is to fetch all LOINC-to-LOINC Answer List mappings, as indicated in the LoincAnswerLinkList.csv file via FHIR API I’ve observed the following behavior: For LOINC codes where the AnswerListLinkType … --- ## [I need help with finding a code for Citrated Platelet Count](https://forum.loinc.org/t/i-need-help-with-finding-a-code-for-citrated-platelet-count/2432)
**Author:** [@assanova\_b](https://forum.loinc.org/u/assanova_b)\ **Replies:** 2\ **Last updated:** [July 4, 2025, 9:27am UTC](https://forum.loinc.org/t/i-need-help-with-finding-a-code-for-citrated-platelet-count/2432 "2025-07-04T09:27:55Z")
I can only find the code for Platelets \[#/volume\] in Blood by Estimate 49497-1. But i need the count in citrate. Would be very thankful for any type of help. Best regards Benazir --- ## [FHIR SERVER and LOINC Terminology](https://forum.loinc.org/t/fhir-server-and-loinc-terminology/2099)
**Author:** [@srinivaspragada](https://forum.loinc.org/u/srinivaspragada)\ **Replies:** 6\ **Last updated:** [July 4, 2025, 2:41am UTC](https://forum.loinc.org/t/fhir-server-and-loinc-terminology/2099 "2025-07-04T02:41:19Z")
Hi team, we have our own FHIR HAPI server instance where we uploaded the LOINC terminology. After uploading i am able check few queries by searching with filter term… eg: http://144.76.65.203:8080/fhir/ValueSet/$expand… --- ## [Flowsheets & CLIA Certification](https://forum.loinc.org/t/flowsheets-clia-certification/2501)
**Author:** [@klpennyp18](https://forum.loinc.org/u/klpennyp18)\ **Replies:** 1\ **Last updated:** [July 4, 2025, 2:16am UTC](https://forum.loinc.org/t/flowsheets-clia-certification/2501 "2025-07-04T02:16:42Z")
We currently have several outside laboratory integrations into our EHR. We are struggling with the best way to display these outside lab results in a typical flowsheet without having to manually curate a list. We (EHR) h… --- ## [LOINC to Quest and LabCorp Test Mapping](https://forum.loinc.org/t/loinc-to-quest-and-labcorp-test-mapping/2352)
**Author:** [@zortiz](https://forum.loinc.org/u/zortiz)\ **Replies:** 3\ **Last updated:** [July 4, 2025, 1:49am UTC](https://forum.loinc.org/t/loinc-to-quest-and-labcorp-test-mapping/2352 "2025-07-04T01:49:19Z")
Is anyone aware of any systematic mapping effort between major US national lab vendor test codes (Quest, Labcorp, university health systems etc) in relation to single common parent LOINC? Asking for a friend on our inte… --- ## [LOINC.org website issues](https://forum.loinc.org/t/loinc-org-website-issues/2627)
**Author:** [@system](https://forum.loinc.org/u/system)\ **Replies:** 0\ **Last updated:** [July 2, 2025, 12:13am UTC](https://forum.loinc.org/t/loinc-org-website-issues/2627 "2025-07-02T00:13:03Z")
We faced issues with the performance of the LOINC website yesterday and today (June 30 and July 1). There were instances when the site was either unavailable or incredibly slow. We have taken steps to mitigate the issues… --- ## [Observation as a component](https://forum.loinc.org/t/observation-as-a-component/2624)
**Author:** [@KW044083](https://forum.loinc.org/u/KW044083)\ **Replies:** 2\ **Last updated:** [June 30, 2025, 9:17pm UTC](https://forum.loinc.org/t/observation-as-a-component/2624 "2025-06-30T21:17:16Z")
Hello, I am confused by the component ‘Observation’. Especially for CBC panel member MCV. Additionally MCH and MCHC have changed to component ‘Hemoglobin’. What is the criteria for a component changing to ‘Observatio… --- ## [CPT code a percutaneous skin test with 95004 (\*Percutaneous tests \[scratch, puncture, prick\]](https://forum.loinc.org/t/cpt-code-a-percutaneous-skin-test-with-95004-percutaneous-tests-scratch-puncture-prick/2562)
**Author:** [@salah\_anati](https://forum.loinc.org/u/salah_anati)\ **Replies:** 1\ **Last updated:** [June 27, 2025, 2:26pm UTC](https://forum.loinc.org/t/cpt-code-a-percutaneous-skin-test-with-95004-percutaneous-tests-scratch-puncture-prick/2562 "2025-06-27T14:26:54Z")
Hi all i need to link this CPT code a percutaneous skin test with 95004 (Percutaneous tests \[scratch, puncture, prick\] with allergenic extracts, immediate type reaction, including test interpretation and report, specify… --- ## [Analyte/component subpart(s) and AI](https://forum.loinc.org/t/analyte-component-subpart-s-and-ai/2621)
**Author:** [@ExOnc](https://forum.loinc.org/u/ExOnc)\ **Replies:** 1\ **Last updated:** [June 23, 2025, 4:20pm UTC](https://forum.loinc.org/t/analyte-component-subpart-s-and-ai/2621 "2025-06-23T16:20:19Z")
I’m planning on submitting some new measures for LOINC coding. Currently, there are a few related LOINC codes, but they are ambiguous, IMO. I want to make the new submissions more granular, including methods, which are… --- ## [V2.80 will not import](https://forum.loinc.org/t/v2-80-will-not-import/2616)
**Author:** [@temeka](https://forum.loinc.org/u/temeka)\ **Replies:** 7\ **Last updated:** [June 20, 2025, 2:05pm UTC](https://forum.loinc.org/t/v2-80-will-not-import/2616 "2025-06-20T14:05:19Z")
v2.80 will not import to the server. Any feedback is appreciated. Thanks. [Previous page](https://forum.loinc.org/latest.md?page=1) [Next page](https://forum.loinc.org/latest.md?page=3)