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.
The aurora australis or Southern Lights are seen in the southern hemisphere. The light you see comes from photons released by oxygen and nitrogen in the upper atmosphere. Energetic particles from the solar wind strike the layer of the atmosphere called the ionosphere, ionizing the atoms and molecules.