Icd 10 cm code for chronic hypercapnic respiratory failure July 8, 2019 16 32 64 128 Icd 10 cm code for acute on chronic hypercapnic respiratory failure Chronic hypercapnic respiratory failure icd 10 Chronic hypercapnic and hypoxic respiratory failure icd 10 Icd 10 code for acute on chronic hypoxic hypercarbic respiratory failure