K66.0 Peritoneal adhesions (postprocedural) (postinfection)

Billable ICD-10-CM code, FY2026.

Applicable to

• Adhesions (of) abdominal (wall)
• Adhesions (of) diaphragm
• Adhesions (of) intestine
• Adhesions (of) male pelvis
• Adhesions (of) omentum
• Adhesions (of) stomach
• Adhesive bands
• Mesenteric adhesions

Excludes1 (never code together)

• peritoneal adhesions with intestinal obstruction (K56.5-)

Excludes2 (not included here)

• female pelvic adhesions [bands] (N73.6)
• female pelvic postprocedural adhesions (N99.4)

Applies from K66 Other disorders of peritoneum

Excludes2 (not included here)

• ascites (R18.-)
• peritoneal effusion (chronic) (R18.8)

MS-DRG index

Defines the logic of DRG(s) 393-395 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 568.0 Peritoneal adhesions (postoperative) (postinfection) (approximate)

Diagnosis Index entries for K66.0

• Adhesions, adhesive (postinfective)
• Adhesions, adhesive (postinfective) › peritoneum, peritoneal (postinfective)
• Adhesions, adhesive (postinfective) › peritoneum, peritoneal (postinfective) › postprocedural
• Adhesions, adhesive (postinfective) › postoperative (gastrointestinal tract)

Nearby codes

• K66 Other disorders of peritoneum
• K66.0 Peritoneal adhesions (postprocedural) (postinfection) (this code)
• K66.1 Hemoperitoneum
• K66.8 Other specified disorders of peritoneum
• K66.9 Disorder of peritoneum, unspecified