K68.9 Other disorders of retroperitoneum

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

MS-DRG index

Defines the logic of DRG(s) 371-373 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 567.39 Other retroperitoneal infections (approximate)
• 568.89 Other specified disorders of peritoneum (approximate)

Code annotations containing back-references to K68.9

Back-references to K68

• Type 1 Excludes: K65 Peritonitis ("retroperitoneal infections (K68.-)")

Diagnosis Index entries for K68.9

• Cellulitis (diffuse) (phlegmonous) (septic) (suppurative) › retroperitoneal
• Cyst (colloid) (mucous) (simple) (retention) › retroperitoneal
• Disorder (of) › retroperitoneal
• Infection, infected, infective (opportunistic) › retroperitoneal NEC
• Retroperitonitis

Nearby codes

• K68.11 Postprocedural retroperitoneal abscess
• K68.12 Psoas muscle abscess
• K68.19 Other retroperitoneal abscess
• K68.2 Retroperitoneal fibrosis
• K68.3 Retroperitoneal hematoma
• K68.9 Other disorders of retroperitoneum (this code)