K56.3
Billable codeGallstone ileus
The ICD-10 code for gallstone ileus is K56.3.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Obstruction of intestine by gallstone
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- K56.0Paralytic ileus
- K56.1Intussusception
- K56.2Volvulus
- K56.4Other impaction of intestinenon-billable header
- K56.5Intestinal adhesions [bands] with obstruction (postinfection)non-billable header
- K56.6Other and unspecified intestinal obstructionnon-billable header
- K56.7Ileus, unspecified
- K56.3Gallstone ileus
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 56031
Associated MS-DRGs
K56.3 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.