S31.031A

Pnctr w/o fb of low back and pelv w penet retroperiton, init Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter

Pnctr w/o fb of low back and pelv w penet retroperiton, init Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter: Injury, poisoning and certain other consequences of external causes (ICD-10-CM S00 to T88), a billable code.