relationship between LOINC parts (LP) and groups (LG)

Home Forums LOINC Groups relationship between LOINC parts (LP) and groups (LG)

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    Thomas Chong

    Hi LOINCers,

    Researchers at UCLA (and many other facilities) use the i2b2 Query & Analysis Tool (on de-identified EMR┬ádatabases) where the terms are organized by LP- codes, presumably LOINC parts. We are looking into utilizing LOINC groups to make it easier to find the items of interest. I couldn’t find the information about LP codes on the web.

    1) Would you know what is the source of these LP- codes and what is their relationship, if any, to LOINC groups?

    2) What is the process by which the LP- and LG- codes are defined and generated? Are most of the lab result LG- codes algorithmically generated? E.g. a rule exists to group together an analyte level “in blood” and “in serum or plasma”. I assume that any logical collection of LOINCs that has utility as a set can be officially defined as a Group and that these can be defined ad-hoc as the needs arise.

    Any insight will be greatly appreciated! We’re making a lot of assumptions at the moment.

    -Thomas Chong, UCLA Health

    Thomas Chong

    I found most of the information I needed in the LOINC User Guide and for the ontology in I2B2.

    Pam Banning

    Hello Thomas!

    We would be interested in your research group’s progress, and learn of any barriers you encountered /how they were overcome.

    Thanks in advance,

    Pam Banning

    co-chair Lab LOINC committee

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