These are 5 position alpha-numeric codes comprising the d series. All other level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association).
Alaska: Although Alaska enjoys a high volume of aurora activity, its cruises are not often mentioned as northern lights cruises. During the Alaska cruise season, it's rarely dark enough for the lights to be visible.
An Arctic Circle cruise not only brings the Northern Lights within reach, but also offers a holiday thatâs enjoyable in so many other ways, not least through participation in some truly out-of-the-ordinary excursions and activities.