Productivity is a measurement between the outputs of a process to the input of resources. Productivity is usually expressed as the ratio of output divided by input. For medical coding, productivity is the number of records processed per day by one person. What is a standard? A standard is rule or guideline that provides details on expectations relating to achievement of a specific action or condition. Criteria are listed related to a product or a service that is measured and compared to a benchmark. Many standards are created for application and used within a company for analysis and evaluative purposes. Standards may be used voluntarily or on a mandatory basis as determined by company policy, national or international regulations or as stated in specific laws. Below is an example of a daily productivity standard for medical coding as recommended by the American Health Information Management Association (AHIMA). Do the math! What is the mean/average? The mean is the average of the numbers and is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words, it is the sum divided by the count