ICD-10-CM > G00-G99 > G89-G99 > G99 > G99.0 G99.0 Autonomic neuropathy in diseases classified elsewhere Billable/Specific Copy Code Copy Description Code First underlying disease, such as:amyloidosis (E85.-)gout (M1A.-, M10.-)hyperthyroidism (E05.-) Type 1 Excludes diabetic autonomic neuropathy (E08-E13 with .43)