Wiki Chronic lung disease Dx Code.

[balakrishnanv]

Final diagnosis is given as Chronic lung disease. code is 518.89 or 496. I have taken 496 main term Disease, subterm lung,further specification nonspecific, chronic 496.please guide me to locate correct code.
Thanks.

 

[tmlbwells]

Unless it states chronic obstruction, I use 518.89.