The Risk Adjustment Calculator is accessible only to persons who register for website access. Please provide a username and password to access. Also, provide payment information through PayPal if you are going to use professionally or extensively. Monthly subscription fee is $50 per user. Annual subscription fee is - single user $300 and group (<= 7 users) $1,500. Please kindly use the ‘Donate’ button below to pay the subscription fee. Thank you for your support.