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.
Northern Lights: Light at the end of the tundra. The aurora borealis is a fickle phenomenon. A week can pass without a flicker...then bang! The Northern Lights come on like a celestial lava lamp. In the far north of Sweden, Nigel Tisdall is rewarded for his patience. 1  Happy camper: Watching the aurora south of Abisko, Sweden, claimed to be 'the best place in the world to see it' Photo: PETER ROSEN. 2  Snow mobile: A hut and sauna at the Abisko Ark Hotel, built on runners and towed out on to the ice Photo: PETER ROSEN.