ICD-10-CM > E00-E89 > E70-E88 > E87 > E87.2 E87.2 Acidosis Non-Billable/Non-Specific Type 1 Excludes diabetic acidosis - see categories E08-E10, E11, E13 with ketoacidosis Codes E87.20Acidosis, unspecifiedE87.21Acute metabolic acidosisE87.22Chronic metabolic acidosisE87.29Other acidosis