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ICD-10-CM 2027 diagnosis code

K56.2Volvulus

✓ Billable / specificMCC — major complication/comorbidity

K56.2 is a valid, billable ICD-10-CM code for volvulus. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.

Looking up by condition? See ICD-10 code for Volvulus.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About K56.2

K56.2 is the ICD-10-CM diagnosis code for Volvulus. It belongs to category K56 (paralytic ileus and intestinal obstruction without hernia), block K55-K64 (other diseases of intestines) and chapter 11 (diseases of the digestive system). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

Within K56 (paralytic ileus and intestinal obstruction without hernia), K56.2 is specifically for Volvulus. Related codes cover paralytic ileus (K56.0), intussusception (K56.1), Gallstone ileus (K56.3), other impaction of intestine (K56.4), intestinal adhesions [bands] with obstruction (postinfection) (K56.5), other and unspecified intestinal obstruction (K56.6) and ileus, unspecified (K56.7).

The conditions in its Excludes2 note aren't part of K56.2, but may be coded alongside it if the patient has both: volvulus of duodenum (K31.5).

As a secondary diagnosis it is an MCC (major complication or comorbidity), which can move an inpatient stay into the highest-paying "with MCC" MS-DRG of its family, unless the principal diagnosis excludes it.

In MS-DRG v44.0, it is part of the grouping logic for DRG 388 (Gastrointestinal Obstruction with MCC, relative weight 1.4709), DRG 389 (Gastrointestinal Obstruction with CC, relative weight 0.7891), DRG 390 (Gastrointestinal Obstruction without CC/MCC, relative weight 0.5404), DRG 791 (Prematurity with Major Problems, relative weight 4.1075) and DRG 793 (Full Term Neonate with Major Problems, relative weight 4.2195), in MDC 06 (Diseases and Disorders of the Digestive System) and MDC 15 (Newborns and Other Neonates with Conditions Originating in the Perinatal Period), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Before ICD-10, this condition was coded in ICD-9-CM as 560.2 (Volvulus).

Coding notes

Applicable toConditions and synonyms classified to this code
  • Strangulation of colon or intestine
  • Torsion of colon or intestine
  • Twist of colon or intestine
Excludes2Not included here — may be reported together if both conditions exist
  • volvulus of duodenum (K31.5)

Notes that apply from higher levels

Instructions written at a parent level also apply to K56.2.

› From K56 Paralytic ileus and intestinal obstruction without hernia
Excludes1
  • 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
  • stenosis of anus or rectum (K62.4)

Broader instructions also apply from Chapter 11: Diseases of the digestive system.

Alphabetic index entries

16 entries

Terms in the official ICD-10-CM index that lead to K56.2.

MS-DRG v44.0 grouping

All DRGs →

Inpatient MS-DRGs this diagnosis can group to, as the principal or a secondary diagnosis, depending on the rest of the claim.

MDC 15 · Newborns and Other Neonates with Conditions Originating in the Perinatal Period

MDC 15 · Newborns and Other Neonates with Conditions Originating in the Perinatal Period

ICD-9-CM equivalent

Converter →

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about K56.2

Is K56.2 billable?

Yes. K56.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can K56.2 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict K56.2 as a principal diagnosis.

Is K56.2 a CC or MCC?

K56.2 is an MCC (major complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.

What DRG does K56.2 group to?

K56.2 is used in the MS-DRG v44.0 logic for MS-DRG 388 (Gastrointestinal Obstruction with MCC), MS-DRG 389 (Gastrointestinal Obstruction with CC), MS-DRG 390 (Gastrointestinal Obstruction without CC/MCC), MS-DRG 791 (Prematurity with Major Problems) and MS-DRG 793 (Full Term Neonate with Major Problems). Which one applies depends on whether it is the principal diagnosis and on the rest of the claim.

What is the ICD-9 code for K56.2?

The CMS General Equivalence Mappings map K56.2 to ICD-9-CM 560.2.