Hmm, there’s no comment on the results. I think the easiest thing to do is ask the vet if he spun it down before freezing. My vet doesn’t have a portable centrifuge and often I will take the sample back to their office if the vet has a busy day ahead and is unlikely to get back to the office in time. 

The number on the test does not correlate neatly with symptoms, unfortunately. Don’t beat yourself up for missing things. Some horses with very high numbers have few symptoms (although they will develop symptoms if not treated) and vice-versa. All you can do is monitor and treat your horse as an individual. 

There is a lot of information in our Files, have a read through the PPID folder for a start. 
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Maxine and Indy (PPID) and Dangles (PPID)

Canberra, Australia 2010
ECIR Primary Response

https://ecir.groups.io/g/CaseHistory/files/Maxine%20and%20Indy%20and%20Dangles 
https://ecir.groups.io/g/CaseHistory/album?id=933