2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Hernia Of Abdominal Cavity 550-553 > ICD-9-CM Diagnosis 550 Inguinal hernia An abdominal hernia with an external bulge in the GROIN region. It can be classified by the location of herniation. Indirect inguinal hernias occur through the internal inguinal ring. Direct inguinal hernias occur through defects in the ABDOMINAL WALL (transversalis fascia) in Hesselbach's triangle. The former type is commonly seen in children and young adults; the latter in adults. 550 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 550.0 Inguinal hernia with gangrene 550.0 is a non-specific code that cannot be used to specify a diagnosis 550.0 contains 2 index entries ICD-9-CM Diagnosis 550.00 Unilateral or unspecified inguinal hernia with gangrene 550.00 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.01 Recurrent unilateral or unspecified inguinal hernia with gangrene 550.01 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.02 Bilateral inguinal hernia with gangrene 550.02 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.03 Recurrent bilateral inguinal hernia with gangrene 550.03 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.1 Inguinal hernia with obstruction without mention of gangrene 550.1 is a non-specific code that cannot be used to specify a diagnosis 550.1 contains 1 index entry ICD-9-CM Diagnosis 550.10 Unilateral or unspecified inguinal hernia with obstruction without gangrene 550.10 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.11 Recurrent unilateral or unspecified inguinal hernia with obstruction without gangrene 550.11 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.12 Bilateral inguinal hernia with obstruction without gangrene 550.12 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.13 Recurrent bilateral inguinal hernia with obstruction without gangrene 550.13 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.9 Inguinal hernia without mention of obstruction or gangrene An abdominal hernia with an external bulge in the GROIN region. It can be classified by the location of herniation. Indirect inguinal hernias occur through the internal inguinal ring. Direct inguinal hernias occur through defects in the ABDOMINAL WALL (transversalis fascia) in Hesselbach's triangle. The former type is commonly seen in children and young adults; the latter in adults. 550.9 is a non-specific code that cannot be used to specify a diagnosis 550.9 contains 3 index entries ICD-9-CM Diagnosis 550.90 Unilateral or unspecified inguinal hernia without obstruction or gangrene 550.90 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.91 Recurrent unilateral or unspecified inguinal hernia without obstruction or gangrene 550.91 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.92 Bilateral inguinal hernia without obstruction or gangrene 550.92 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 550.93 Recurrent bilateral inguinal hernia without obstruction or gangrene 550.93 is a specific code that can be used to specify a diagnosis