Hi there...
Thanks for your query.
All itching is not due to scabies.
To make a more realistic assessment and give you a clearer picture and treatment plan, will need more details on this issue along with some clear digital pics.
From your description, it does not appear dangerous or sinister and should be easily sorted.
Some more detailed labs may be required aside from the test results you posted.
Next Steps
INSTANT Online Consultation is best to give you a detailed quick solution to your itch.
Health Tips
Avoid OTC products, self remedies, home remedies