10ICD Code Hub

K55.03

Header — not billable

Acute (reversible) ischemia of large intestine

The ICD-10 code for acute (reversible) ischemia of large intestine is K55.03.

K55.03 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 3 more specific codes below.

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.

  • Acute fulminant ischemic colitis
  • Subacute ischemic colitis

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under K55.03

Related codes in this category