1 H40.159 is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 2  Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes. 3  This is the American ICD-10-CM version of H40.159.
So Percent purity is the ratio of the mass of the pure substance to the mass of the impure sample, expressed as a percentage. This is very similar to the percent yield, and to calculate percent purity, we use g pure X 100% g impure Let's try an example. 1.00g Fe ore contains 0.6g Fe metal. What is the percent purity? 0.6/1.0 X 100% = 60 %
As a general rule, oxygen concentrators produce oxygen at purity levels between about 90-97 percent at most. This is variable, however, with regard to certain factors such as â¦elevation. At lower elevations, oxygen purity will be higher. If you are looking for an oxygen concentrator for personal use, www.VitalityMedical.com has a lot of good information on their blog.