Q: The patient sustains an injury to his lungs with peripheral pulmonary hemorrhages following a gas well explosion. How would this be coded? Nov 1, 2006 | Head/Neck | 0 comments A: In AIS 98, the only option for this injury is 441499.3 Lung NFSIn AIS 2005, this is one of many new descriptors that have been added to the dictionary. The correct code for his injury is 441424.4.