By Michael Perry, M.D. Foraminal narrowing, or foraminal stenosis, is a condition of the spine that can cause pain and other symptoms resulting from spinal nerve root compression. At every level of the spine, a pair of nerve roots runs through the spinal column via small openings called foramina (singular: foramen).
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). 2  Digits 3-4: Indicate the calendar year in which the claim was received.
U pdat ed 4 /3 0/ 20 13 Pa ge 1 Internal Control Number (ICN) An Internal Control Number (ICN) is assigned by HP to each claim. During the imaging process a unique control number is assigned to each individual claim for identification, efficient retrieval, and tracking. The ICN consists of 13 digits and contains the following information: 10 - 13 - 032 â 123 - 456 1 2 3 4 5 1. Claim Region (see list below) 2. Year of Receipt 3. Julian Date of Receipt The Julian calendar numbers the days of the year 1 -365.