# general-discussion **URL:** https://forum.loinc.org/c/legacy/general-discussion/20.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 --- ## [LOINC\_NUMS without checksum didgit](https://forum.loinc.org/t/loinc-nums-without-checksum-didgit/1111)
**Author:** [@ecampbell](https://forum.loinc.org/u/ecampbell)\ **Replies:** 5\ **Last updated:** [June 15, 2021, 5:52pm UTC](https://forum.loinc.org/t/loinc-nums-without-checksum-didgit/1111 "2021-06-15T17:52:03Z")
Hi, release 2.70 has 12 LOINC\_NUMs without checksum digits (that is, the ids fail the checksum check). Is this intended? LOINC\_NUM Component 44478 Amdinocillin 44507 Amikacin 44535 Amikacin 44204 Acyclovir 44233 Al… --- ## [Microbiology mapping](https://forum.loinc.org/t/microbiology-mapping/1096)
**Author:** [@leighannel](https://forum.loinc.org/u/leighannel)\ **Replies:** 4\ **Last updated:** [April 20, 2021, 3:07pm UTC](https://forum.loinc.org/t/microbiology-mapping/1096 "2021-04-20T15:07:28Z")
I have a few questions regarding mapping of cultures and sensitivity with and without gram stains. In the Microbiology guide for using Loinc terms it seems that you can map to Bacterial identified even if you identify a… --- ## [Frequent errors in LOINC](https://forum.loinc.org/t/frequent-errors-in-loinc/1074)
**Author:** [@aramintabraxton](https://forum.loinc.org/u/aramintabraxton)\ **Replies:** 1\ **Last updated:** [October 30, 2020, 10:12am UTC](https://forum.loinc.org/t/frequent-errors-in-loinc/1074 "2020-10-30T10:12:03Z")
What are the usual problems you encounter with LOINC? --- ## [What does System refer to?](https://forum.loinc.org/t/what-does-system-refer-to/1072)
**Author:** [@cmcntsh](https://forum.loinc.org/u/cmcntsh)\ **Replies:** 1\ **Last updated:** [October 20, 2020, 6:11pm UTC](https://forum.loinc.org/t/what-does-system-refer-to/1072 "2020-10-20T18:11:16Z")
We had a question regarding the System part of the LOINC name. Does system refer to what sample was sent to the lab or what was actually analyzed? Most of the time they are the same, but on occasion the sample that is se… --- ## [Pubmed Article Code ?](https://forum.loinc.org/t/pubmed-article-code/1061)
**Author:** [@cmonnom](https://forum.loinc.org/u/cmonnom)\ **Replies:** 2\ **Last updated:** [August 27, 2020, 11:56am UTC](https://forum.loinc.org/t/pubmed-article-code/1061 "2020-08-27T11:56:37Z")
Is there a LOINC for medical publications references (or maybe just scientific publications)? I’m trying to put pubmed ids in HL7 but I can’t figure out if there’s a code In LOINC for the id or the url to the article. --- ## [Can LOINC be defined as a Controlled Terminology?](https://forum.loinc.org/t/can-loinc-be-defined-as-a-controlled-terminology/950)
**Author:** [@system](https://forum.loinc.org/u/system)\ **Replies:** 1\ **Last updated:** [August 26, 2020, 11:25pm UTC](https://forum.loinc.org/t/can-loinc-be-defined-as-a-controlled-terminology/950 "2020-08-26T23:25:40Z")
I noticed you have a set of instructions for configuring MedDRA. But how would we add LOINC? The example for the UNII dictionary only shows two columns. For LOINC it needs several variables whose values confer uniquen… --- ## [Health and Human Services requirement for reporting race and ethnicity](https://forum.loinc.org/t/health-and-human-services-requirement-for-reporting-race-and-ethnicity/1060)
**Author:** [@bhemelgarn](https://forum.loinc.org/u/bhemelgarn)\ **Replies:** 2\ **Last updated:** [August 10, 2020, 3:05pm UTC](https://forum.loinc.org/t/health-and-human-services-requirement-for-reporting-race-and-ethnicity/1060 "2020-08-10T15:05:06Z")
Hello, Health and Human Services is now requiring race and ethnicity to be reported with SARS-CoV-2 results. I am wondering what LOINC codes others are using for this requirement? Thanks, Brittany --- ## [Error in LOINC Table File (CSV)/Postgres](https://forum.loinc.org/t/error-in-loinc-table-file-csv-postgres/1058)
**Author:** [@sthaan](https://forum.loinc.org/u/sthaan)\ **Replies:** 1\ **Last updated:** [July 21, 2020, 7:08am UTC](https://forum.loinc.org/t/error-in-loinc-table-file-csv-postgres/1058 "2020-07-21T07:08:37Z")
I noticed all files in the LOINC Table File (CSV)/Postgres directory actually are the ReadMe.txt not the schema (PosgresDdl.sql) or PostgresLoader.sql. --- ## [Are all Deprecated codes from Loinc.csv included in the 2020AA hierarchical tree](https://forum.loinc.org/t/are-all-deprecated-codes-from-loinc-csv-included-in-the-2020aa-hierarchical-tree/1057)
**Author:** [@malarkodi](https://forum.loinc.org/u/malarkodi)\ **Replies:** 6\ **Last updated:** [July 7, 2020, 11:55am UTC](https://forum.loinc.org/t/are-all-deprecated-codes-from-loinc-csv-included-in-the-2020aa-hierarchical-tree/1057 "2020-07-07T11:55:06Z")
LOINC 2.68 version released in June 2020 has 3723 Deprecated codes. To my understanding the LOINC codes are never deleted but retained for historical purposes. Some codes like 1045 -4, 1046-2, 1047-0, 1048-8, 1049-6, 105… --- ## [quantitative HIV results](https://forum.loinc.org/t/quantitative-hiv-results/1052)
**Author:** [@mlish](https://forum.loinc.org/u/mlish)\ **Replies:** 1\ **Last updated:** [May 21, 2020, 12:47pm UTC](https://forum.loinc.org/t/quantitative-hiv-results/1052 "2020-05-21T12:47:40Z")
Hello, Im just wondering how to go about interpreting these results? HIV 1 RNA, QN PCR \<20 NOT DETECTED Ref : \<20 Copies/mL HIV 1 RNA, QN PCR \<1.30 NOT DETECTED Ref: \<1.30 Log copies/mL Would this be consider… --- ## [Plasma cell free DNA for EGFR mutation testing](https://forum.loinc.org/t/plasma-cell-free-dna-for-egfr-mutation-testing/1051)
**Author:** [@katherinelamhiulaam](https://forum.loinc.org/u/katherinelamhiulaam)\ **Replies:** 0\ **Last updated:** [May 11, 2020, 11:26pm UTC](https://forum.loinc.org/t/plasma-cell-free-dna-for-egfr-mutation-testing/1051 "2020-05-11T23:26:38Z")
Dear all, I am writing to seek your advice and comments on the “system” used for liquid biopsy for EGFR mutation testing. EGFR mutation testing can be done in tissue sample and also in plasma cell free RNA samples, nam… --- ## [SARS-CoV-2 codes discussion](https://forum.loinc.org/t/sars-cov-2-codes-discussion/1047)
**Author:** [@on9cloud](https://forum.loinc.org/u/on9cloud)\ **Replies:** 5\ **Last updated:** [March 30, 2020, 12:43pm UTC](https://forum.loinc.org/t/sars-cov-2-codes-discussion/1047 "2020-03-30T12:43:32Z")
If multiple countries have different test, it may be a good idea to have a methodless code for quantitative and qualitative testing for SARS-CoV-2 The problem with termporary codes is that the loinc part for SARS-CoV… --- ## [Change Type PANEL](https://forum.loinc.org/t/change-type-panel/1043)
**Author:** [@mgraauw](https://forum.loinc.org/u/mgraauw)\ **Replies:** 0\ **Last updated:** [January 7, 2020, 12:15pm UTC](https://forum.loinc.org/t/change-type-panel/1043 "2020-01-07T12:15:31Z")
The CHNG\_TYP field can contain, amongst other values: PANEL = addition or removal of child elements or … NAM = change to Analyte/Component (field #2); MAJ = change to name field other than #2 (#3 - #7); MIN = change … --- ## [Results with quantitative values + interpretations](https://forum.loinc.org/t/results-with-quantitative-values-interpretations/1031)
**Author:** [@gillian](https://forum.loinc.org/u/gillian)\ **Replies:** 5\ **Last updated:** [December 2, 2019, 1:38pm UTC](https://forum.loinc.org/t/results-with-quantitative-values-interpretations/1031 "2019-12-02T13:38:01Z")
I’m trying to figure out the best way to capture the results of this test: HIV 1 Quantitative Real Time PCR HIV 1 RNA, QN PCR: \<20, Not Detected, Ref: Not Detected, copies/mL HIV 1 RNA, QN PCR: \<1.30, Not Detected, Re… --- ## [Spelling of system 'Tsmi'](https://forum.loinc.org/t/spelling-of-system-tsmi/1039)
**Author:** [@mgraauw](https://forum.loinc.org/u/mgraauw)\ **Replies:** 0\ **Last updated:** [November 30, 2019, 4:50am UTC](https://forum.loinc.org/t/spelling-of-system-tsmi/1039 "2019-11-30T04:50:52Z")
In Parts.csv the spelling of System “Small intestine Tissue” is “TSMI”. In the main Loinc.csv it is “Tsmi” in System (though not in longName). This caused a small glitch in my import code. I can work around that (lowerca… --- ## [LOINC concept is missing panel in 2.66](https://forum.loinc.org/t/loinc-concept-is-missing-panel-in-2-66/1035)
**Author:** [@mgraauw](https://forum.loinc.org/u/mgraauw)\ **Replies:** 1\ **Last updated:** [November 15, 2019, 8:46am UTC](https://forum.loinc.org/t/loinc-concept-is-missing-panel-in-2-66/1035 "2019-11-15T08:46:40Z")
In the 2.66 release, Loinc.csv includes 29577-4, which is of type ‘Panel’. PanelsAndForms.csv does not include this concept. I was assuming that for every panel concept there would be a corresponding item in PanelsAndF… --- ## [Prerelease codes in xml/json/csv ?](https://forum.loinc.org/t/prerelease-codes-in-xml-json-csv/1034)
**Author:** [@mgraauw](https://forum.loinc.org/u/mgraauw)\ **Replies:** 1\ **Last updated:** [October 30, 2019, 1:12pm UTC](https://forum.loinc.org/t/prerelease-codes-in-xml-json-csv/1034 "2019-10-30T13:12:33Z")
We (in the Netherlands) sometimes need to use prerelease codes submitted by us before the next LOINC release. The prerelease codes are available on https://loinc.org/prerelease/ as HTML, but for importing in our own db w… --- ## [Methodless codes](https://forum.loinc.org/t/methodless-codes/1033)
**Author:** [@on9cloud](https://forum.loinc.org/u/on9cloud)\ **Replies:** 1\ **Last updated:** [October 27, 2019, 7:01pm UTC](https://forum.loinc.org/t/methodless-codes/1033 "2019-10-27T19:01:53Z")
I understand that some groups of lab codes contain a methodless code and others don’t. For component of : HIV 1 RNA and context quantitiative - viral load We are mapping clinical trials data (from HIV) to LOINC and… --- ## [Too many sub-forums here](https://forum.loinc.org/t/too-many-sub-forums-here/1032)
**Author:** [@on9cloud](https://forum.loinc.org/u/on9cloud)\ **Replies:** 1\ **Last updated:** [October 25, 2019, 4:21pm UTC](https://forum.loinc.org/t/too-many-sub-forums-here/1032 "2019-10-25T16:21:58Z")
Some of the sub-forums have no activity for a long time. It is quite hard to navigate and find in which subforum to post. Do you agree? --- ## [Fully specified names are not escaped](https://forum.loinc.org/t/fully-specified-names-are-not-escaped/1025)
**Author:** [@mauvila](https://forum.loinc.org/u/mauvila)\ **Replies:** 1\ **Last updated:** [October 25, 2019, 3:39pm UTC](https://forum.loinc.org/t/fully-specified-names-are-not-escaped/1025 "2019-10-25T15:39:29Z")
I have run across LOINC fully specified names (FSNs) that are not escaped for the separators they use, specifically the ‘:’ symbol. For example, LOINC code \70159-9 has a colon in the first part \[“\Te… --- ## [What happens to never-published prerelease codes?](https://forum.loinc.org/t/what-happens-to-never-published-prerelease-codes/1029)
**Author:** [@mgraauw](https://forum.loinc.org/u/mgraauw)\ **Replies:** 3\ **Last updated:** [October 10, 2019, 8:09am UTC](https://forum.loinc.org/t/what-happens-to-never-published-prerelease-codes/1029 "2019-10-10T08:09:08Z")
The LOINC prerelease page states: " It is possible that they may not be published in the next, or any, public release." What happens to LOINC codes that never make it to any release? They won’t have a status. Can they b… --- ## [Disable Terms of Use Prompt](https://forum.loinc.org/t/disable-terms-of-use-prompt/1019)
**Author:** [@profyt7](https://forum.loinc.org/u/profyt7)\ **Replies:** 0\ **Last updated:** [April 25, 2019, 9:44am UTC](https://forum.loinc.org/t/disable-terms-of-use-prompt/1019 "2019-04-25T09:44:29Z")
HI, Is there a way to disable to terms of Use prompt when loading up Relma? I cannot find any switches to use that would allow me auto accept it during the installation. I checked the config file and couldn’t tell … --- ## [Where to find a list of all properties? (missing from User Guide)](https://forum.loinc.org/t/where-to-find-a-list-of-all-properties-missing-from-user-guide/1018)
**Author:** [@smaisidoro](https://forum.loinc.org/u/smaisidoro)\ **Replies:** 2\ **Last updated:** [March 13, 2019, 10:52am UTC](https://forum.loinc.org/t/where-to-find-a-list-of-all-properties-missing-from-user-guide/1018 "2019-03-13T10:52:48Z")
I stumbled upon a LOINC code that has the property “Rden” https://r.details.loinc.org/LOINC/5811-5.html?sections=Comprehensive However I can’t find any documentation of this property in the User Manual, or Ontologies. … --- ## [Are Items' Related Names in RELMA.MDB?](https://forum.loinc.org/t/are-items-related-names-in-relma-mdb/1015)
**Author:** [@thomashc](https://forum.loinc.org/u/thomashc)\ **Replies:** 2\ **Last updated:** [March 4, 2019, 12:44pm UTC](https://forum.loinc.org/t/are-items-related-names-in-relma-mdb/1015 "2019-03-04T12:44:49Z")
Each LOINC item has an associated list of Related Names in its description/details. Some of the Related Names appear to come from the item parts. Component Property Time System Scale Method Parathyrin Imp Pt Ser/Pl… --- ## [TOP 2000+ common US lab](https://forum.loinc.org/t/top-2000-common-us-lab/1011)
**Author:** [@ramel16](https://forum.loinc.org/u/ramel16)\ **Replies:** 1\ **Last updated:** [March 4, 2019, 10:29am UTC](https://forum.loinc.org/t/top-2000-common-us-lab/1011 "2019-03-04T10:29:04Z")
Hi Everyone! I have questions on some LOINC that made it to the top ranks but others with same format didnt make it. For example, \32515-9 CD3+​CD4+​ (T4 helper) cells \[#/​volum… --- ## [Pap Smear Interpretation - Bethesda System](https://forum.loinc.org/t/pap-smear-interpretation-bethesda-system/1016)
**Author:** [@dpbrown](https://forum.loinc.org/u/dpbrown)\ **Replies:** 1\ **Last updated:** [March 4, 2019, 10:19am UTC](https://forum.loinc.org/t/pap-smear-interpretation-bethesda-system/1016 "2019-03-04T10:19:48Z")
Will there ever be a time where a Loinc code will be created for the “results” or Interpretations of a Pap Smear? We utilize EMR data for not only population health management but for public health reporting/registries.… --- ## [LOINC and LabCorp and Quest](https://forum.loinc.org/t/loinc-and-labcorp-and-quest/1010)
**Author:** [@on9cloud](https://forum.loinc.org/u/on9cloud)\ **Replies:** 3\ **Last updated:** [February 6, 2019, 11:00am UTC](https://forum.loinc.org/t/loinc-and-labcorp-and-quest/1010 "2019-02-06T11:00:31Z")
For adoption of LOINC, I would like to suggest that LOINC team follows up with LabCorp and their display of LOINC codes. For platelets, there is option to see LOINC codes but it seems to not work. CPT code is clearly t… --- ## [Getting started with LOINC](https://forum.loinc.org/t/getting-started-with-loinc/670)
**Author:** [@praveen1](https://forum.loinc.org/u/praveen1)\ **Replies:** 19\ **Last updated:** [January 23, 2019, 5:51am UTC](https://forum.loinc.org/t/getting-started-with-loinc/670 "2019-01-23T05:51:20Z")
hi, Our company wants to Look in to the LOINC. We are at starting stage. Downloaded LOINC databases (.MDB) and inserted in to mysql.and we have a few doubts: How can i order a Lab test report Where can i find i tes… --- ## [What is the best practice for duplicate concepts, example: a PHQ-9 question](https://forum.loinc.org/t/what-is-the-best-practice-for-duplicate-concepts-example-a-phq-9-question/1007)
**Author:** [@ccmnavigator](https://forum.loinc.org/u/ccmnavigator)\ **Replies:** 0\ **Last updated:** [January 14, 2019, 5:31pm UTC](https://forum.loinc.org/t/what-is-the-best-practice-for-duplicate-concepts-example-a-phq-9-question/1007 "2019-01-14T17:31:04Z")
What is the best practice for duplicate concepts? The 5 examples listed below appear to be the same concept but for the different answer lists. Only one of them, 44255-8, is consistent with the validated tool. https://w… --- ## [LOINC Results Codes - Why so many?](https://forum.loinc.org/t/loinc-results-codes-why-so-many/1006)
**Author:** [@medmunds](https://forum.loinc.org/u/medmunds)\ **Replies:** 0\ **Last updated:** [January 10, 2019, 9:42pm UTC](https://forum.loinc.org/t/loinc-results-codes-why-so-many/1006 "2019-01-10T21:42:35Z")
LOINC apparently contains numerous codes for the same lab results. Can someone help me understand why this occurs in the context of the following example? Filtering for Component “LDL” creates for me the following quest… [Previous page](https://forum.loinc.org/c/legacy/general-discussion/20.md) [Next page](https://forum.loinc.org/c/legacy/general-discussion/20.md?page=2)