Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes K00-K95 – Diseases of the digestive system (K00-K95) > 2024 ICD-10-CM Codes K65-K68 – Diseases of peritoneum and retroperitoneum (K65-K68) > 2024 ICD-10-CM Codes K68 – Disorders of retroperitoneum (K68) > 2024 ICD-10-CM Codes K68.1 – Retroperitoneal abscess (K68.1)