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ICD-10 Coding for Bowel Ischemia(K55.01, K55.02, I74.3)

Complete ICD-10-CM coding and documentation guide for Bowel Ischemia. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Intestinal IschemiaMesenteric Ischemia

Related ICD-10 Code Ranges

Complete code families applicable to Bowel Ischemia

K55Primary Range

Vascular disorders of intestine

This range includes all primary codes for bowel ischemia, covering both acute and chronic conditions.

Embolism and thrombosis

This range includes codes for embolism and thrombosis, which are often underlying causes of bowel ischemia.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
K55.01Acute vascular disorders of intestineUse when acute ischemia is confirmed without necrosis.
  • Sudden-onset abdominal pain
  • Elevated lactate levels
  • CT showing bowel wall edema
K55.02Acute infarction of intestineUse when necrosis or infarction is confirmed.
  • CT showing pneumatosis
  • Operative findings of necrotic bowel
I74.3Embolism and thrombosis of mesenteric arteryUse when embolism or thrombosis is the cause of ischemia.
  • Imaging showing SMA occlusion
  • History of embolic events

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for bowel ischemia

Essential facts and insights about Bowel Ischemia

The ICD-10 code for acute bowel ischemia is K55.01, and K55.02 is used when necrosis is confirmed.

Primary ICD-10-CM Codes for bowel ischemia

Acute vascular disorders of intestine
Non-billable Code

Decision Criteria

clinical Criteria

  • Presence of acute symptoms and imaging findings

Applicable To

  • Acute ischemic colitis

Excludes

  • Chronic ischemic colitis (K55.1)

Clinical Validation Requirements

  • Sudden-onset abdominal pain
  • Elevated lactate levels
  • CT showing bowel wall edema

Code-Specific Risks

  • Misclassification as chronic ischemia

Coding Notes

  • Ensure documentation specifies acute nature and lack of necrosis.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Acute abdomen

R10.0
Use when abdominal pain is present but not specified as ischemic.

Peritonitis

K65.0
Use if perforation complicates ischemia.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Chronic vascular disorders of intestine

K55.1
Chronic symptoms and lack of acute findings.

Acute vascular disorders of intestine

K55.01
Absence of necrosis or infarction.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Bowel Ischemia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code K55.01.

Impact

Clinical: Misrepresentation of severity, Regulatory: Non-compliance with coding standards, Financial: Potential for reduced reimbursement

Mitigation Strategy

Ensure operative notes confirm necrosis, Use imaging findings to support documentation

Impact

Reimbursement: Incorrect coding can lead to lower reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use K55.02 if necrosis is present.

Impact

Necrosis must be documented for K55.02.

Mitigation Strategy

Use operative and imaging reports to confirm necrosis.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Bowel Ischemia, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Bowel Ischemia

Use these documentation templates to ensure complete and accurate documentation for Bowel Ischemia. These templates include all required elements for proper coding and billing.

Acute bowel ischemia in emergency setting

Specialty: Emergency Medicine

Required Elements

  • Onset and duration of symptoms
  • Imaging findings
  • Laboratory results

Example Documentation

68M with sudden-onset severe abdominal pain, CT showing SMA occlusion, lactate 6.0 mmol/L.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Abdominal pain, ? ischemic bowel.
Good Documentation Example
Acute onset of severe periumbilical pain, CT angiography showing SMA occlusion, lactate 5.2 mmol/L.
Explanation
The good example provides specific findings and confirms ischemia.

Need help with ICD-10 coding for Bowel Ischemia? Ask your questions below.

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