Convert ICD-10-CM K40.31 to ICD-9-CM

ICD-10-CM K40.31 converts directly to:
  • 2015 ICD-9-CM 550.11 Inguinal hernia with obstruction, without mention of gangrene, unilateral or unspecified,recurrent

Source: 2020 ICD-10-CM CMS General Equivalence Mappings.