The total of claim and line level adjustment amounts where the claim adjustment grouping code equals OA. 18 PROVIDER PRV TAX TAX Total MNTax payment amount applied to the claim. The sum of all claim and line level adjustments associated to adjustment reason codes 137. For this field, the ...
However, we chose analytic methods that would maximize the validity of between-procedure comparisons despite loss to follow-up, including the use of Cox proportional hazards regression models and adjustment for changing population characteristics over time. As with any observational study, it is ...