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.
Where to see the Northern lights in Reykjavik. If you have a car, drive 15 minutes out to the President's residence, Bessastadir, in a town called Ãlftanes. Here you can watch the Northern lights from across a bay, as they dance above the cityscape of Reykjavik while reflecting in the sea.