Icd 9 code for copd July 8, 2019 16 32 64 128 Icd 9 code for copd exacerbation Icd 9 code for copd unspecified Icd 9 code for copd with acute exacerbation Icd 9 cm code for copd Icd 9 code for severe copd Icd 9 diagnosis code for copd Icd 9 code for end stage copd