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