The BODYTMP.ATOM description will be corrected. As to the differences between the manual and the database, the manual was never intended to be an exact copy or all inclusive version of the database. Most of the tables are just a sampling or examples of the various items, i.e., properties, systems, etc.
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LOINC maps results, not orders. With this in mind, panels have been created to group tests that are commonly ordered together to aid in mapping. For example, the Basic Metabolic panel has a LOINC code of 24322-1, but is actually comprised of several LOINC codes-calcium, CO2, creatinine, glucose, etc. Unless you are sending the all results in the same field; each individual test under the panel would be mapped separately.
To view all panels contained in LOINC, search in RELMA on the word “panel”. Select “Details” to display the children (tests) under the panel.