ICD-10-CM
ICD-10 code for Angiodysplasia: K55.20
The ICD-10-CM index points "Angiodysplasia" to K55.20, Angiodysplasia of colon without hemorrhage. K55.20 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in K55
A header groups codes and is not billed. A billable code is one you can report.
- K55Vascular disorders of intestineHeader
- K55.0Acute vascular disorders of intestineHeader
- K55.01Acute (reversible) ischemia of small intestineHeader
- K55.011Focal (segmental) acute (reversible) ischemia of small intestineBillable
- K55.012Diffuse acute (reversible) ischemia of small intestineBillable
- K55.019Acute (reversible) ischemia of small intestine, extent unspecifiedBillable
- K55.02Acute infarction of small intestineHeader
- K55.021Focal (segmental) acute infarction of small intestineBillable
- K55.022Diffuse acute infarction of small intestineBillable
- K55.029Acute infarction of small intestine, extent unspecifiedBillable
- K55.03Acute (reversible) ischemia of large intestineHeader
- K55.031Focal (segmental) acute (reversible) ischemia of large intestineBillable
- K55.032Diffuse acute (reversible) ischemia of large intestineBillable
- K55.039Acute (reversible) ischemia of large intestine, extent unspecifiedBillable
- K55.04Acute infarction of large intestineHeader
- K55.041Focal (segmental) acute infarction of large intestineBillable
- K55.042Diffuse acute infarction of large intestineBillable
- K55.049Acute infarction of large intestine, extent unspecifiedBillable
- K55.05Acute (reversible) ischemia of intestine, part unspecifiedHeader
- K55.051Focal (segmental) acute (reversible) ischemia of intestine, part unspecifiedBillable
- K55.052Diffuse acute (reversible) ischemia of intestine, part unspecifiedBillable
- K55.059Acute (reversible) ischemia of intestine, part and extent unspecifiedBillable
- K55.06Acute infarction of intestine, part unspecifiedHeader
- K55.061Focal (segmental) acute infarction of intestine, part unspecifiedBillable
- K55.062Diffuse acute infarction of intestine, part unspecifiedBillable
- K55.069Acute infarction of intestine, part and extent unspecifiedBillable
- K55.1Chronic vascular disorders of intestineBillable
- K55.2Angiodysplasia of colonHeader
- K55.20Angiodysplasia of colon without hemorrhageBillable
- K55.21Angiodysplasia of colon with hemorrhageBillable
- K55.3Necrotizing enterocolitisHeader
- K55.30Necrotizing enterocolitis, unspecifiedBillable
- K55.31Stage 1 necrotizing enterocolitisBillable
- K55.32Stage 2 necrotizing enterocolitisBillable
- K55.33Stage 3 necrotizing enterocolitisBillable
- K55.8Other vascular disorders of intestineBillable
- K55.9Vascular disorder of intestine, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
From K55. A note on a category applies to every code under it.
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From K55. A note on a category applies to every code under it.
Related conditions
Related pages
- K55.20 code detailsNotes, nearby codes, CMS-HCC group
- Category K55Every code under it
- Chapter 11Diseases of the digestive system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Angiodysplasia?
The ICD-10-CM index points "Angiodysplasia" to K55.20, Angiodysplasia of colon without hemorrhage. K55.20 is a billable code.
Is K55.20 billable?
Yes. K55.20 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to K55.20?
The CDC tabular list gives 1 Excludes1 note (not coded together), 1 Excludes2 note (may be coded together when both are documented) for K55.20 and the categories above it. They are listed on this page.
What chapter is K55.20 in?
Chapter 11. Diseases of the digestive system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.