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.
It is a recipient's responsibility to ask a medical provider whether a particular service being provided is covered by Medicaid. Do not assume that all of the medical services you receive are covered and paid by Medicaid. Non-covered medical services are the recipient's responsibility.utpatient: Covers emergency room services and supplies, lab, X-ray, therapies, drugs and biologicals, and outpatient surgery. Nursing Facility. Covers room and board, nursing care, therapies, general medical supplies, wheelchairs, and durable medical equipment.