Escitalopram is in a class of antidepressants called selective serotonin reuptake inhibitors (SSRIs). It works by increasing the amount of serotonin, a natural substance in the brain that helps maintain mental balance.
Entity â An entity is a health plan, health care clearinghouse or health care provider who transmits health information in electronic form in connection with a HIPAA transaction. Transaction - Transactions are those actions that must be compliant with HIPAA.
Explaining the ICN Number. When claims are entered into the Medicare system, they are issued a tracking number known as the internal control number (âICNâ). The ICN is a 13-digit number assigned to each claim received by Medicare. The significance of the digits is as follows: 1  Digits 1-2: Indicate how the claim was submitted (electronically or via paper)  Digits 3-4: Indicate the calendar year in which the claim was received.