Chronic obstructive bronchitis icd 10 cm July 8, 2019 16 32 64 128 Obstructive chronic bronchitis with exacerbation icd 10 cm Obstructive chronic bronchitis without exacerbation icd 10 cm Chronic obstructive pulmonary disease with acute bronchitis icd 10 cm Chronic obstructive bronchitis icd 10 Chronic bronchitis icd 9