1 ICD-9-CM 840.3 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 840.3 should only be used for claims with a date of service on or before September 30, 2015. 2  For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
The Interior (especially Fairbanks) and Far North regions are considered the best in Alaska for northern lights viewing, although the aurora can be spotted anywhere in Alaska.
3. Reykjavik, Iceland. This beautiful area is located on the very edge of the Arctic Circle. While Reykjavik offers one of the most accessible ways to see the Northern Lights, transportation to and from Iceland can be difficult, especially during the winter season when the Northern Lights are most prominent.