ABN stands for Advanced Beneficiary Notification. An ABN must be signed prior to providing a Medicare service or test to document that the patient is willing to assume responsibility for payment of services that Medicare may not cover when subject to either National or Local Coverage Determinations (NCD) or (LCD).
Chinchillas are crepuscular (most active around dawn and dusk) rodents, slightly larger and more robust than ground squirrels. They are native to the Andes mountains in South America and live in colonies called  herds  at high elevations up to 4,270 m (14,000 ft).
Adult chinch bugs are small insects that have a hard body; two pairs of wings that are folded over the insectâs back; and are distinctly colored in spotted combinations of black, white or red. Many chinch bugs have different coloration in their early nymphal and later nymphal stages. Most species that cause serious crop and turf damage are only about 1/8 to Â¼ inch long and have mouthparts that are used to pierce into the plant and suck out plant juices.