K56.2 Volvulus

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

Applicable to

• Strangulation of colon or intestine
• Torsion of colon or intestine
• Twist of colon or intestine

Excludes2 (not included here)

• volvulus of duodenum (K31.5)

Applies from K56 Paralytic ileus and intestinal obstruction without hernia

Excludes1 (never code together)

• congenital stricture or stenosis of intestine (Q41-Q42)
• cystic fibrosis with meconium ileus (E84.11)
• ischemic stricture of intestine (K55.1)
• meconium ileus NOS (P76.0)
• neonatal intestinal obstructions classifiable to P76.-
• obstruction of duodenum (K31.5)
• postprocedural intestinal obstruction (K91.3-)

Excludes2 (not included here)

• stenosis of anus or rectum (K62.4)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 78 — Intestinal Obstruction/Perforation
• CMS-HCC V22: HCC 33 — Intestinal Obstruction/Perforation
• ESRD V24: HCC 33

MS-DRG index

Defines the logic of DRG(s) 388-390 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 560.2 Volvulus

Code annotations containing back-references to K56.2

Back-references to K56

• Type 1 Excludes: P76.8 Other specified intestinal obstruction of newborn ("intestinal obstruction classifiable to K56.-")

Diagnosis Index entries for K56.2

• Knot (s) › intestinal, syndrome (volvulus)
• Knotting (of) › intestine
• Obstruction, obstructed, obstructive › intestine › volvulus
• Strangulation, strangulated › bowel or colon
• Strangulation, strangulated › intestine (large) (small)
• Strangulation, strangulated › mesentery
• Strangulation, strangulated › omentum
• Syndrome › intestinal › knot
• Torsion › bowel, colon or intestine
• Torsion › mesentery
• Torsion › omentum
• Twist, twisted › bowel, colon or intestine
• Twist, twisted › mesentery
• Twist, twisted › omentum
• Volvulus (bowel) (colon) (intestine)
• Volvulus (bowel) (colon) (intestine) › with perforation

Nearby codes

• K56 Paralytic ileus and intestinal obstruction without hernia
• K56.0 Paralytic ileus
• K56.1 Intussusception
• K56.2 Volvulus (this code)
• K56.3 Gallstone ileus
• K56.4 Other impaction of intestine
• K56.41 Fecal impaction
• K56.49 Other impaction of intestine
• K56.5 Intestinal adhesions [bands] with obstruction (postinfection)