What is the ICD-10 code for mesenteric artery stenosis?

The ICD-10 code for mesenteric artery stenosis is K55.1, used for chronic vascular disorders of the intestine.

When should I use code I70.8 with K55.1?

Use I70.8 as an ancillary code with K55.1 when atherosclerosis is documented as the underlying cause of mesenteric artery stenosis.

ICD-10 Coding for Mesenteric Artery Stenosis(K55.1, I70.0, I70.8)

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Learn about ICD-10 coding for mesenteric artery stenosis, including primary and ancillary codes, documentation requirements, and common pitfalls.

Also known as:

Chronic Mesenteric IschemiaIntestinal Artery Narrowing

Related ICD-10 Code Ranges

Complete code families applicable to Mesenteric Artery Stenosis

K00-K95Primary Range

Diseases of the digestive system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
K55.1	Chronic vascular disorders of intestine	Use when chronic mesenteric ischemia is confirmed by imaging and clinical symptoms.	Postprandial abdominal pain beginning 15-30 minutes after meals Duplex ultrasound PSV >275 cm/s in SMA CTA showing ≥70% stenosis in ≥2 mesenteric arteries
I70.8	Atherosclerosis of other arteries	Use as an ancillary code when atherosclerosis is documented as the cause of stenosis.	Documentation of atherosclerosis as the underlying cause

Primary ICD-10-CM Codes

Chronic vascular disorders of intestine

K55.1Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Acute vascular disorders of intestineK55.0

Documentation & Coding Risks

Avoid these common issues when documenting Mesenteric Artery Stenosis.

Lack of imaging confirmation

Impact

Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation

Ensure imaging results are documented., Verify stenosis severity.

Confusing chronic with acute mesenteric ischemia

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation

Verify symptom duration and imaging findings to differentiate.

Symptom documentation

Impact

Inadequate symptom documentation can lead to audit findings.

Mitigation

Ensure detailed documentation of symptom onset, duration, and triggers.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with K55.1.

Primary Code

K55.1

Chronic vascular disorders of intestine

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ICD-10 codes6

Coding risks3

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ICD-10 Coding for Mesenteric Artery Stenosis(K55.1, I70.0, I70.8)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for mesenteric artery stenosis?

When should I use code I70.8 with K55.1?

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