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From "Savova, Guergana" <Guergana.Sav...@childrens.harvard.edu>
Subject RE: ICD9 code resolving..
Date Sat, 12 Apr 2014 06:21:21 GMT
cTAKES uses UMLS codes that are subset to sources like SNOMED CT and RxNORM augmented with
synonyms. If you are interested in ICD-9 codes, you might be able to use the UMLS CUI to map
to the ICD-9 code.

Hope this helps.

From: Prasanna Bala [mailto:balkiprasanna1984@gmail.com]
Sent: Friday, April 11, 2014 3:41 AM
To: user@ctakes.apache.org
Subject: Re: ICD9 code resolving..

I was reading a mail from the cTakes user group the other day where it was mentioned that
cTakes uses ICD9 code internally. But then write the output for SNOMED CT code. I have certain
entities for which I need to find out ICD9/10 codes. For eg: Consider the disease "DIABETES
MELLITUS". There are so many ICD codes present for this illness. I need to narrow down to
fewer ICD codes. Is it possible to automate this type of problem using cTakes. I also found
that SNOMED CT code can be mapped to ICD codes. How reliable is this ? Also I have implemented
another version of lookup table for matching UMLS semantic types using trie structure. I found
this to be pretty fast although I implemented in python. I would like to contribute this to
cTakes because this can improve the efficiency of the lookup process too. Please let me know
your thoughts. Thanks for response.

On Thu, Apr 10, 2014 at 4:02 PM, Miller, Timothy <Timothy.Miller@childrens.harvard.edu<mailto:Timothy.Miller@childrens.harvard.edu>>
I'm not aware of ICD9 codes being used within cTAKES. Is there a specific piece of code you're
referencing when you say:

"I found that ICD9 code is used internally by the cTakes for finding the entities."

From: Prasanna Bala [balkiprasanna1984@gmail.com<mailto:balkiprasanna1984@gmail.com>]
Sent: Thursday, April 10, 2014 2:15 AM
To: user@ctakes.apache.org<mailto:user@ctakes.apache.org>
Subject: ICD9 code resolving..

I have some clarifications regarding ICD9 code. I found that cTakes uses different mapping
technique to resolve the entities from the diagnosis. I want to know how they are doing this
for ICD9. When I run the code, in the output it is showing the various tagged entities with
SNOMED CT code. But my question, why I am not able to access the ICD9 code. I found that ICD9
code is used internally by the cTakes for finding the entities. How can I find the IC9 code
for the entities ? Can you please tell me if there is any module which is using ICD9 code
in the cTakes. I need to pipeline the ICD9 code also separately.


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