K55.0 — Acute vascular disorders of intestine

Not billable

Is K55.0 billable?

No — K55.0 is a non-billable header code. K55.0 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 18 billable codes beneath K55.0.

Billable codes under this header

K55.0 at a glance

Code	K55.0
Description	Acute vascular disorders of intestine
Billable	No — header code
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

How is K55.0 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to K55.0. They show the wording a clinician may have documented, which often differs from the Tabular description.

Thrombosis, thrombotic › mesenteric › vein (bland) (multiple) (progressive) (silent) (vessel)

Inclusion terms

Alternative wording in documentation that is classified to K55.0.

Infarction of appendices epiploicae
Mesenteric (artery) (vein) embolism
Mesenteric (artery) (vein) infarction
Mesenteric (artery) (vein) thrombosis

Excludes1 — never code together — inherited from K55

The conditions below can never be reported together with K55.0 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

necrotizing enterocolitis of newborn (P77.-)

Excludes2 — not included here — inherited from Chapter 11

The conditions below are not part of K55.0, but a patient may have both at the same time. When documentation supports it, K55.0 and the excluded code may both be reported.

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Excludes2 — not included here — inherited from K55

The conditions below are not part of K55.0, but a patient may have both at the same time. When documentation supports it, K55.0 and the excluded code may both be reported.

angioectasia (angiodysplasia) duodenum (K31.81-)

What codes fall under K55.0? (6)

How long has K55.0 existed?

K55.0 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

FY2018: K55.0 stopped being billable

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to K55.0?

ICD-10 code for Thrombosis