Icd 10 code for hypoxia unspecified July 8, 2019 16 32 64 128 Icd 10 code for nocturnal hypoxia unspecified Icd 10 cm code for hypoxia unspecified Icd 10 code for chronic hypoxia unspecified Icd 10 code for respiratory failure with hypoxia unspecified Icd 10 code for acute respiratory failure with hypoxia unspecified Hypoxia icd 10