MARINE: This is the highest rating given by Lloyd’s Register to a ship for its seaworthiness. It is also known as “First Class.” The letter “A” indicates that the ship’s hull is strong and safe on the water, and the letter “1” indicates that its rigging and gear are in good condition.
USA MEDICAL: HCPCS Level II modifier for wound dressing that can be used with CPT or HCPCS Level II codes. The use of this modifier has an impact on Medicare payment.