Please add Lansky Play Performance Scale to your set of use cases for Performance Scale within mCODE

Here at the NMDP/CIBMTR,  we have a long history of collecting assessment scores using the Karnofsky AND Lansky  https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8419065/  scores,  depending on the protocols used by the individual transplant center hospitals that submit outcomes data to the CIBMTR.  

Here is a matrix showing the equivalencies between Karnofsky and Lansky:  https://kankerregister.org/media/docs/downloads/Lansky-KarnofskyconversiontableENG.pdf

                We would like to use mCODE (FHIR) to intake that content.  As you can see from the link,  there is an equivalency matrix between Lansky and Karnofsky scores. https://kankerregister.org/media/docs/downloads/Lansky-KarnofskyconversiontableENG.pdf

                Lansky does not have a  LOINC code nor LOINC Answers, but it does have a reference in CIEL (Columbia International eHealth Laboratory (CIEL)   https://openconceptlab.org/2022/10/19/ciel-bridging-terminology-for-the-global-community/ 

I see from FHIR-24553,  Lansky was not included because there was no defined customer.  CIBMTR is definitely a customer of that data.  

It should be built similarly to the Karnofsky IG, but this is the parent IG:

https://hl7.org/fhir/us/core/STU5.0.1/StructureDefinition-us-core-observation-clinical-test.html

Thanks!