C C48500 Inch Inch A traditional unit of length equal to 1/12 of a foot or 2.54 centimeters. C25709 Unit of Measure C89506 NICHD Newborn Screening Terminology C C48500 Inch Inch A traditional unit of length equal to 1/12 of a foot or 2.54 centimeters. C25709 Unit of Measure C90259 NICHD Pediatric Terminology