ICD-10-CM > E00-E89 > E70-E88 > E87 > E87.2 > E87.20 E87.20 Acidosis, unspecified Billable/Specific Copy Code Copy Description Applicable To Lactic acidosis NOSMetabolic acidosis NOS Code Also , if applicable, respiratory failure with hypercapnia (J96. with 5th character 2)