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Missing "Maps to" relationships to map NDC to Standard concepts #100
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Hi @dimshitc, Hamed |
Hi, @hamedabedtash |
@dimshitc, Great! Thanks for the update. Any idea when the next release will be? Thanks, |
Ran across this myself today looking for gemcitabine in US claims and found nothing. The query belows shows NDCs that go no where in standard terminologies. 144,124 in V20161218. Didn't check a newer Vocabulary version so this may be fixed already.
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In Vocabulary 20171201 there are now 156,402 of these. I bounced them off some claims data to see how often they are used.
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to start with something: |
Looks like we have a lot more NDCs, there are 173315 that don't have a map. But I do see some drugs in there, just randomly going through: Maybe we just keep this issue open and review time to time? |
@ericaVoss I agree. The topic is very broad that covers any missing NDC-to-standard mapping, so let's keep it open. |
@aostropolets Found another set of NDCs with missing relationships to RxNorm, below: I suspect the reason is RxNorm does not provide the mapping of ingredient (ANTI-INTERLEUKIN-1.ALPHA. IMMUNOGLOBULIN G RABBIT) to other RxNorm TTYs.
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@aostropolets Here are some more:
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They are all homeopathics, as far as I can tell. RxNorm pulled all the homeopathic drugs in 2012. We are trying tot convince them putting them back in, but they really hate them. Do you have a use case for this stuff? |
And the second list contains also homeopathics and raw powder (ingredient). These are not products. |
@cgreich We hate them too! If that's case not to map homeopathic products, I'm fine with that. But, there are 4 products in the last post that are Rx. We need to map these. I'm not sure about the last one (NDC: 063323359). A very similar NDC (63323-359-03) exists on DailyMed that gives me the impression the NDC might be an error. Do we know where this record came from?
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Rows 1-3 are raw ingredient as powder. Patients cannot get that in a pharmacy. The pharmacy can order it to create created compounded (self-made) product. That's really not typical these days. Do you have those in your data? |
Ah. Just saw your second paragraph. Yes, that's what it seems to be the case. Where it's coming from? Hard to tell. But the code seems to never appear in the data, so no damage made. Still, will kill. |
@cgreich Thanks! So, the bottomline: We don't map homeopathic and bulk products because it is not likely to show up in observational data. I keep the comments here for future reference. |
"don't" is a strong word. Right now, we are a little less keen on polishing those. But if somebody comes and has data and a use case we will bring them in. As usual - bring on the analytic. |
@hamedabedtash we can close it, right? |
Found two NDC concepts with missing relationship to RxNorm. Please add the relationship:
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Good. Any others? Easier to do them in batches. |
Just these 2 for now that I need for the study. I'll let you know if I found more. |
Here are some more 😃
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@aostropolets Any updates on this? |
I do not think that the major update will be released soon due to automation process, so you can indicate if you need those concepts urgently and the team will take care of that. |
We are planning to update the NDC-RxNorm 'Maps to' relations starting from requests from people. The current list includes the NDC drugs mentioned above and the following: |
New NDCs with missing relationships to RxNorm concepts:
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@hamedabedtash @ericaVoss Do we need to keep this issue open? |
I found 2744 NDC missing mapped_to link. I couldn't enter here all, so added the top 50 by count. |
Hi @shinjinaka , Can you please attach the whole file? |
Most of the NDC codes requested were mapped a long time ago. |
I am using the code below to map NDC codes to standard concepts (RxNorm), but there are some NDCs that do not map to the respective RxNorm concept. This has happended (mostly) for those NDC concept with current valid dates (VALID_END_DATE=20991231) but their 'Maps to' relationships is denoted as updated ("U") or deleted ("D"), however no "updated" relationships exist in CONCEPT_RELATIONSHIP table. Any thoughts appreciated!
Here are some examples:
Dulaglutide:
From CONCEPT table:
CONCEPT_ID CONCEPT_NAME DOMAIN_ID VOCABULARY_ID CONCEPT_CLASS_ID STANDARD_CONCEPT CONCEPT_CODE VALID_START_DATE VALID_END_DATE INVALID_REASON
From CONCEPT_RELATIONSHIP table:
CONCEPT_ID_1 CONCEPT_ID_2 RELATIONSHIP_ID VALID_START_DATE VALID_END_DATE INVALID_REASON
Lantus:
From CONCEPT table:
CONCEPT_ID CONCEPT_NAME DOMAIN_ID VOCABULARY_ID CONCEPT_CLASS_ID STANDARD_CONCEPT CONCEPT_CODE VALID_START_DATE VALID_END_DATE INVALID_REASON
From CONCEPT_RELATIONSHIP table:
CONCEPT_ID_1 CONCEPT_ID_2 RELATIONSHIP_ID VALID_START_DATE VALID_END_DATE INVALID_REASON
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Here is the code used to map source codes to standard concepts:
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