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GenerWorktoday at 1:03 AM0 repliesview on HN

>I bet those tests are not cheap in the USA.

Within 5 minutes of searching I found a PT time with INR test for $24 [0]. Add in the testing fee and it's probably around $30.

[0] https://www.ultalabtests.com/test/prothrombin-time-with-inr-...