# Latest

**URL:** https://forum.loinc.org/latest.md?page=1

[Latest](https://forum.loinc.org/latest.md) · [Categories](https://forum.loinc.org/categories.md) · [Tags](https://forum.loinc.org/tags.md)

**Page:** 2

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## [F10 versus f449](https://forum.loinc.org/t/f10-versus-f449/3069)

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**Author:** [@jalava](https://forum.loinc.org/u/jalava)\
**Replies:** 2\
**Last updated:** [May 29, 2026, 12:28am UTC](https://forum.loinc.org/t/f10-versus-f449/3069 "2026-05-29T00:28:41Z")

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Hi Everyone, I am trying to map Ses i 1 (f449) IgE to LOINC but could not find any matches. LOINC 100350-8 includes f10 under Related Names but not f449. ThermoFisher’s website has their f449 mapped to LOINC 100350-8 a…

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## [Discrepancy Between LOINC Radiology Class vs Playbook](https://forum.loinc.org/t/discrepancy-between-loinc-radiology-class-vs-playbook/3053)

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**Author:** [@yiying](https://forum.loinc.org/u/yiying)\
**Replies:** 1\
**Last updated:** [April 25, 2026, 11:32pm UTC](https://forum.loinc.org/t/discrepancy-between-loinc-radiology-class-vs-playbook/3053 "2026-04-25T23:32:03Z")

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Hello everyone, I’ve encountered a discrepancy when comparing the LOINC main distribution table and the LOINC RSNA Playbook, and I’m hoping someone can help clarify the differences. There seems to be around 109 codes f…

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## [Website system maintenance on 2026-04-28](https://forum.loinc.org/t/website-system-maintenance-on-2026-04-28/3062)

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**Author:** [@system](https://forum.loinc.org/u/system)\
**Replies:** 0\
**Last updated:** [April 24, 2026, 1:09pm UTC](https://forum.loinc.org/t/website-system-maintenance-on-2026-04-28/3062 "2026-04-24T13:09:31Z")

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We will be performing maintenance on several aspects of the LOINC website on Tuesday, 28 April 2026 starting at 11:00 a.m. EDT (15:00 UTC). The following functions of LOINC.org will be down for a period of up to one hour…

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## [Interpreting MG Breast versus MG Guidance codes](https://forum.loinc.org/t/interpreting-mg-breast-versus-mg-guidance-codes/3059)

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**Author:** [@LAndersenNCQA](https://forum.loinc.org/u/LAndersenNCQA)\
**Replies:** 0\
**Last updated:** [April 23, 2026, 4:38pm UTC](https://forum.loinc.org/t/interpreting-mg-breast-versus-mg-guidance-codes/3059 "2026-04-23T16:38:53Z")

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Good morning, I am seeking feedback on the intended use of the MG codes. I am trying to identify which codes represent mammograms where the purpose was to detect, diagnose or monitor breast tissue. I identified the foll…

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## [LOINC codes for lab results abstracted from unstructured clinical documents](https://forum.loinc.org/t/loinc-codes-for-lab-results-abstracted-from-unstructured-clinical-documents/2923)

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**Author:** [@jencolrn](https://forum.loinc.org/u/jencolrn)\
**Replies:** 1\
**Last updated:** [April 14, 2026, 10:05am UTC](https://forum.loinc.org/t/loinc-codes-for-lab-results-abstracted-from-unstructured-clinical-documents/2923 "2026-04-14T10:05:11Z")

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We are starting to use LLM to take unstructured data, which includes lab values, and structure it in our EMR, so it’s not stuck in a PDF that remains unusable. Has anyone done this? If so, what LOINCs are you using? Id…

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## [Standardized Reference Ranges for LOINC Codes?](https://forum.loinc.org/t/standardized-reference-ranges-for-loinc-codes/2571)

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**Author:** [@hesmolto](https://forum.loinc.org/u/hesmolto)\
**Replies:** 7\
**Last updated:** [April 10, 2026, 3:30pm UTC](https://forum.loinc.org/t/standardized-reference-ranges-for-loinc-codes/2571 "2026-04-10T15:30:33Z")

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Hello everyone, I am currently working with laboratory data and using LOINC codes for parameter identification. My question is: Is there a standardized or unified reference range associated with LOINC codes that could …

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## [Limit of detection and limit of quantification](https://forum.loinc.org/t/limit-of-detection-and-limit-of-quantification/3016)

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**Author:** [@rmerrick](https://forum.loinc.org/u/rmerrick)\
**Replies:** 1\
**Last updated:** [April 2, 2026, 3:32am UTC](https://forum.loinc.org/t/limit-of-detection-and-limit-of-quantification/3016 "2026-04-02T03:32:20Z")

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I am trying to map these 2 data elements so that they can be included in standard data exchange formats (rather than using a proprietary csv file) with its related attributes: #1 Expression of Detection Capability (with…

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## [Answer LOINC Codes for QM 117-Diabetic Eye Exams](https://forum.loinc.org/t/answer-loinc-codes-for-qm-117-diabetic-eye-exams/2936)

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**Author:** [@abokhoven9655](https://forum.loinc.org/u/abokhoven9655)\
**Replies:** 1\
**Last updated:** [March 31, 2026, 6:13pm UTC](https://forum.loinc.org/t/answer-loinc-codes-for-qm-117-diabetic-eye-exams/2936 "2026-03-31T18:13:44Z")

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For 2026 QM117 for diabetic eye exam results is requiring one of the following answer LOINCS to get numerator credit: LA34399-8, LA34398-0, LA18648-8, 18646-2, LA18645-4, LA18644-7, LA18643-9. I see these Answer LOINCs…

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## [Curley braces "{ }" and post-coordination](https://forum.loinc.org/t/curley-braces-and-post-coordination/2961)

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**Author:** [@ExOnc](https://forum.loinc.org/u/ExOnc)\
**Replies:** 1\
**Last updated:** [March 31, 2026, 5:50pm UTC](https://forum.loinc.org/t/curley-braces-and-post-coordination/2961 "2026-03-31T17:50:38Z")

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What are the syntax rules/recommendations, if any, for using them, e.g., {abbreviations, “ . “ subparts, “&”, “+”, another LOINC code, a SNOMED code}? Pointing “{ }” to another code, if one exists, within curley braces …

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## [I am not finding Result (SNOMED) code for following test](https://forum.loinc.org/t/i-am-not-finding-result-snomed-code-for-following-test/3004)

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**Author:** [@pparajuliprime](https://forum.loinc.org/u/pparajuliprime)\
**Replies:** 4\
**Last updated:** [March 26, 2026, 3:18am UTC](https://forum.loinc.org/t/i-am-not-finding-result-snomed-code-for-following-test/3004 "2026-03-26T03:18:19Z")

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Hi Can you please help me to ID SNOMED code for following test result LOINC CODE :60489-2 Sterp A by Cepheid swap LOINC CODE :72828-7 CT/NG and LOINC CODE:92703-8 4 plex All test are form Cepheid methode ( DNA Prob…

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## [NANDA-SNOMED Mapping](https://forum.loinc.org/t/nanda-snomed-mapping/2985)

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**Author:** [@Mabedmar](https://forum.loinc.org/u/Mabedmar)\
**Replies:** 8\
**Last updated:** [March 17, 2026, 5:24pm UTC](https://forum.loinc.org/t/nanda-snomed-mapping/2985 "2026-03-17T17:24:28Z")

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Good morning, I’m working on a mapping between the current NANDA taxonomy and the SNOMED medical diagnoses. Do you know if anything has been done on this already? Do you know who to contact? Thanks!

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## [Loinc.Org website down?](https://forum.loinc.org/t/loinc-org-website-down/3000)

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**Author:** [@jencolrn](https://forum.loinc.org/u/jencolrn)\
**Replies:** 2\
**Last updated:** [March 12, 2026, 1:47pm UTC](https://forum.loinc.org/t/loinc-org-website-down/3000 "2026-03-12T13:47:05Z")

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## [Clarification needed](https://forum.loinc.org/t/clarification-needed/3001)

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**Author:** [@JC32\_pace\_spms](https://forum.loinc.org/u/JC32_pace_spms)\
**Replies:** 2\
**Last updated:** [March 11, 2026, 7:45pm UTC](https://forum.loinc.org/t/clarification-needed/3001 "2026-03-11T19:45:46Z")

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Hello everyone, I would like to ask for some clarification regarding the difference between CT Upper Extremity and XR Tomography Upper Extremity. Could someone explain how these two imaging techniques differ and in what…

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## [Assistance creating a value set for all LOINC procedure concepts](https://forum.loinc.org/t/assistance-creating-a-value-set-for-all-loinc-procedure-concepts/2993)

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**Author:** [@ccouderc](https://forum.loinc.org/u/ccouderc)\
**Replies:** 6\
**Last updated:** [March 5, 2026, 6:30pm UTC](https://forum.loinc.org/t/assistance-creating-a-value-set-for-all-loinc-procedure-concepts/2993 "2026-03-05T18:30:56Z")

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I’m reaching out to this community for suggestions on creating a value set of any LOINC concept representing a procedure. I suspect this can be done either via inclusion (class = ?), or exclusion (document ontology, pan…

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## [Technical Note: Issue with nl-NL translation in LOINC 2.82](https://forum.loinc.org/t/technical-note-issue-with-nl-nl-translation-in-loinc-2-82/2994)

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**Author:** [@system](https://forum.loinc.org/u/system)\
**Replies:** 1\
**Last updated:** [March 5, 2026, 1:05am UTC](https://forum.loinc.org/t/technical-note-issue-with-nl-nl-translation-in-loinc-2-82/2994 "2026-03-05T01:05:18Z")

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Nictiz, the Dutch language translators for LOINC, have identified a significant data omission in the nl-NL (Dutch) translation included in version 2.82 of LOINC. Description of the Issue The LONG\_COMMON\_NAME field withi…

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## [Newcomer Question - LOINC Record Changes Frequency](https://forum.loinc.org/t/newcomer-question-loinc-record-changes-frequency/2992)

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**Author:** [@JohnAdvan](https://forum.loinc.org/u/JohnAdvan)\
**Replies:** 1\
**Last updated:** [March 3, 2026, 6:46pm UTC](https://forum.loinc.org/t/newcomer-question-loinc-record-changes-frequency/2992 "2026-03-03T18:46:31Z")

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Hey, I am new to LOINC. I just wanted to know how many times per year LOINC changes their records. And do those changes affect every records. I am just trying to figure how frequently it will change and does it update …

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## [Newbie Question - coding imaging density / signal measurement](https://forum.loinc.org/t/newbie-question-coding-imaging-density-signal-measurement/2983)

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**Author:** [@jangoldstein](https://forum.loinc.org/u/jangoldstein)\
**Replies:** 3\
**Last updated:** [February 27, 2026, 3:58pm UTC](https://forum.loinc.org/t/newbie-question-coding-imaging-density-signal-measurement/2983 "2026-02-27T15:58:41Z")

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Greetings friends, I’m new to using LOINC and I’m still trying to find my around for the purposes of coding imaging features, like size, attenuation (CT) and signal drops (MRI). While I did find size measurement at leas…

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## [Fhir.loinc.org | Service unavailable. Performing maintenance. Please try again later](https://forum.loinc.org/t/fhir-loinc-org-service-unavailable-performing-maintenance-please-try-again-later/2987)

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**Author:** [@YevhenBatura](https://forum.loinc.org/u/YevhenBatura)\
**Replies:** 3\
**Last updated:** [February 25, 2026, 1:52pm UTC](https://forum.loinc.org/t/fhir-loinc-org-service-unavailable-performing-maintenance-please-try-again-later/2987 "2026-02-25T13:52:32Z")

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mb related to LOINC FHIR Terminology Server - #2 by timbriscoe Also does LOINC have some status page for API accessibility?

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## [LOINC 7660-4 Rat muliialgro IgE Ab \[Units/volume\] in Serum](https://forum.loinc.org/t/loinc-7660-4-rat-muliialgro-ige-ab-units-volume-in-serum/2414)

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**Author:** [@js050784](https://forum.loinc.org/u/js050784)\
**Replies:** 4\
**Last updated:** [February 6, 2026, 1:49pm UTC](https://forum.loinc.org/t/loinc-7660-4-rat-muliialgro-ige-ab-units-volume-in-serum/2414 "2026-02-06T13:49:41Z")

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https://loinc.org/7660-4/ I was reviewing some of the allergy-related IgE codes and ran across LOINC code 7660-4. I’ve been unable to find what ‘rat muliialgro’ represents. Does anyone happen to know what this represent…

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## [Having trouble with Submissions page](https://forum.loinc.org/t/having-trouble-with-submissions-page/2975)

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**Author:** [@KScott65](https://forum.loinc.org/u/KScott65)\
**Replies:** 5\
**Last updated:** [February 4, 2026, 8:39pm UTC](https://forum.loinc.org/t/having-trouble-with-submissions-page/2975 "2026-02-04T20:39:44Z")

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Is anyone else having trouble with the Submissions page? I cannot attach sample reports and I am getting a Internal Server error 500 message. I tried deleting my request and re-submitting. I also tried closing and reopen…

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## [LOINC FHIR Terminology Server](https://forum.loinc.org/t/loinc-fhir-terminology-server/2972)

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**Author:** [@apatel59](https://forum.loinc.org/u/apatel59)\
**Replies:** 1\
**Last updated:** [January 27, 2026, 3:27pm UTC](https://forum.loinc.org/t/loinc-fhir-terminology-server/2972 "2026-01-27T15:27:44Z")

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This site can’t be reached The webpage at https://fhir.loinc.org/CodeSystem/$lookup?code=85445-5&system=http%3A%2F%2Floinc.org&\\\_format=json

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## [LOINC for bilateral kidneys w/full pelvic ultrasound](https://forum.loinc.org/t/loinc-for-bilateral-kidneys-w-full-pelvic-ultrasound/2957)

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**Author:** [@BrownML](https://forum.loinc.org/u/BrownML)\
**Replies:** 1\
**Last updated:** [January 19, 2026, 2:44pm UTC](https://forum.loinc.org/t/loinc-for-bilateral-kidneys-w-full-pelvic-ultrasound/2957 "2026-01-19T14:44:19Z")

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Trying to find LOINC for OHIP codes J128, ltd abdo, and J162 full pelvic. I see code 69402-6 but i’m not sure if that is full or ltd pelvic. Looks like ltd.

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## [Nan display name being shown in Loinic Codes](https://forum.loinc.org/t/nan-display-name-being-shown-in-loinic-codes/2959)

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**Author:** [@skak122](https://forum.loinc.org/u/skak122)\
**Replies:** 6\
**Last updated:** [January 13, 2026, 10:10pm UTC](https://forum.loinc.org/t/nan-display-name-being-shown-in-loinic-codes/2959 "2026-01-13T22:10:10Z")

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I am trying to map certain vitals that I receive from FHIR data using Loinic Codes that I have downloaded. I am currently mapping the Loinic codes I get from FHIR data to the Lonic codes to the display name of these vit…

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## [LOINC Codes - Canadian Lab Tests](https://forum.loinc.org/t/loinc-codes-canadian-lab-tests/2939)

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**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")

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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…

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## [Effective date versus Loinc Version](https://forum.loinc.org/t/effective-date-versus-loinc-version/1669)

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**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")

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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…

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## [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)

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**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")

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Please help me understand this difference with examples in detail

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## [Consumer Name Kudos](https://forum.loinc.org/t/consumer-name-kudos/2932)

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**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")

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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?

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## [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)

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**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")

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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…

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## [Document titles for AI-generated clinical documents](https://forum.loinc.org/t/document-titles-for-ai-generated-clinical-documents/2898)

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**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")

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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?

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## [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)

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**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")

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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 …

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