Hi Nigel,
One thing you can implement easily is to ask to your lab systems & reagents suppliers for LOINC codes best describing their products. If not implemented by all manufacturers yet, a growing number of them is doing so.
The added value of using manufacturer established LOINC codes was recently documented [1]. That study mentioned 3 such manufacturers : Abbott, bioMérieux, Roche. You can also watch Andrea Pitkus presentation at the last LOINC conference [2] presented that study.
More such manufactures may also be inquired to the LOINC team and the IICC [3]
hope this can help you,
Xavier
/./././
1- Cholan RA, Pappas G, Rehwoldt G, Sills AK, Korte ED, Appleton IK, et al. Encoding laboratory testing data: case studies of the national implementation of HHS requirements and related standards in five laboratories. Journal of the American Medical Informatics Association. 2022.
2- https://loinc.org/conference/france-2022/
3- https://ivdconnectivity.org/