A C89510 NCPDP QuantityUnitOfMeasure Terminology C101680 French French Catheter Gauge A number representing the outer diameter of a catheter where each integer represents 1/3 of a millimeter. A C89510 NCPDP QuantityUnitOfMeasure Terminology C48512 Milliequivalent Milliequivalent A unit of relative amount of a substance equal to one thousandth of an equivalent weight. C C89510 NCPDP QuantityUnitOfMeasure Terminology C48531 Pound Pound The traditional unit of mass. By international agreement, one avoirdupois pound is equal to exactly 0.45359237 kilogram, 16 ounces, or 1.21528 troy pounds. C C91101 NCPDP MeasurementUnitCode Terminology C48531 Pound Pound The traditional unit of mass. By international agreement, one avoirdupois pound is equal to exactly 0.45359237 kilogram, 16 ounces, or 1.21528 troy pounds. C C91101 NCPDP MeasurementUnitCode Terminology C49668 Centimeter Centimeter A basic unit of length in the former CGS version of metric system, equal to one hundredth of a meter or approximately 0.393700787 inch.