a fingernail has a hardness of 2; a copper penny, about 3; a knife blade, 5; window glass, 5.5; and a steel file, 6.5. Here are the Mohs scale ratings for 144 types of gemstones:
Background: In the last Ambulance Open Door Forum (April 15, 2009), CMS received questions about how to correctly inform beneficiaries of potential liability for ambulance services that Medicare may not cover.he Medicare law defines the ambulance service benefit as an â ambulance service where the use of other methods of transportation is contraindicated by the individual's condition .â That is, the patientâs medical condition is such that transportation by ambulance is a clinical medical necessity.
The Medicare Hospice Benefit is covered under Medicare Part A (hospital insurance). Medicare beneficiaries who choose hospice care receive a full scope of medical and support services for their life-limiting illness. Hospice care also supports the family and loved ones of the person through a variety of services. More than 90% of hospices in the United States are certified by Medicare.