ICD-10-CM>K00-K95>K20-K31>K30K30Functional dyspepsiaBillable/Specific Copy Code Copy DescriptionApplicable ToIndigestionType 1 Excludesdyspepsia NOS (R10.13)heartburn (R12)nervous dyspepsia (F45.8)neurotic dyspepsia (F45.8)psychogenic dyspepsia (F45.8)