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 %
A karat measures the purity of gold based on a scale of 1-24, with 24 karats being the purest. What this means is that 24-karat (24K) gold has 99.9% purity, generally referred to as âpureâ gold. 18-karat (18K) gold has 75% pure gold. Its content is 18 parts gold and six parts other metal alloys.