Package Management. The CPT codes are an American Medical Association (AMA) copyrighted product. Their use is governed by the terms of the agreement between the Department of Veterans Affairs and the AMA.
Princeton's WordNet(0.00 / 0 votes)Rate this definition: pipefitting, pipe fitting(noun) fitting consisting of threaded pieces of pipe for joining pipes together. Pipe fitting. Pipe fitting is the occupation of installing or repairing piping or tubing systems that convey liquid, gas, and occasionally solid materials.
NPT stands for national pipe thread. NPT fittings are tapered thread fitting and usually rely on mechanical deformation i â¦ n between the male and female fittings to create a seal in addition with teflon tape.