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.
Best Answer: It can be seen from anywhere in the southern hemisphere, but also some distance north of the Equator. Since it's centred at 60 degrees south, it can in theory be seen up to thirty degrees north at the equinoxes, but that wouldn't be the entire cross and it would vary according to the time of year.
Its southern counterpart, the aurora australis (or the southern lights), has features that are almost identical to the aurora borealis and changes simultaneously with changes in the northern auroral zone. It is visible from high southern latitudes in Antarctica, Chile, Argentina, New Zealand, and Australia.