ICD-10-CM > K00-K95 > K65-K68 > K68 > K68.1 K68.1 Retroperitoneal abscess Non-Billable/Non-Specific Codes K68.11Postprocedural retroperitoneal abscessK68.12Psoas muscle abscessK68.19Other retroperitoneal abscess
ICD-10 Fast ICD-10 Fast