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ICD-10 Coding for Mesenteric Adenitis(I88.0)

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

Also known as:

Mesenteric LymphadenitisNonspecific Mesenteric Lymphadenitis

Related ICD-10 Code Ranges

Complete code families applicable to Mesenteric Adenitis

I88.0-I88.9Primary Range

Nonspecific Lymphadenitis

This range includes codes for lymphadenitis, with I88.0 specifically for nonspecific mesenteric lymphadenitis.

Key Information: ICD-10 code for mesenteric adenitis

Essential facts and insights about Mesenteric Adenitis

The ICD-10 code for nonspecific mesenteric lymphadenitis is I88.0.

Primary ICD-10-CM Code for mesenteric adenitis

Nonspecific mesenteric lymphadenitis
Billable Code

Decision Criteria

clinical Criteria

  • Presence of RLQ pain and imaging showing clustered lymph nodes.

coding Criteria

  • Use I88.0 when mesenteric adenitis is primary and confirmed.

documentation Criteria

  • Document imaging findings and absence of appendicitis.

Applicable To

  • Acute mesenteric lymphadenitis
  • Chronic mesenteric lymphadenitis

Excludes

  • Lymphadenitis due to tuberculosis (A18.2)
  • Lymphadenitis due to syphilis (A51.4)

Clinical Validation Requirements

  • Imaging showing clustered lymph nodes ≥5mm in the RLQ
  • Absence of appendicitis on imaging

Code-Specific Risks

  • Misidentifying as appendicitis without proper imaging confirmation.

Coding Notes

  • Ensure imaging confirms mesenteric lymphadenitis to avoid misclassification.

Ancillary Codes

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

Acute abdomen (RLQ pain)

R10.0
Use to report symptoms of RLQ pain associated with mesenteric adenitis.

Fever, unspecified

R50.9
Use to report fever associated with mesenteric adenitis.

Differential Codes

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

Acute appendicitis

K35.80
Appendicitis is confirmed with imaging showing inflamed appendix.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Mesenteric Adenitis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I88.0.

Impact

Clinical: Potential misdiagnosis or delayed treatment., Regulatory: Non-compliance with coding standards., Financial: Possible claim denials or reduced reimbursement.

Mitigation Strategy

Ensure detailed documentation of imaging findings., Specify mesenteric adenitis in clinical notes.

Impact

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

Mitigation Strategy

Ensure documentation specifies mesenteric adenitis with imaging confirmation.

Impact

Using non-specific codes for mesenteric adenitis.

Mitigation Strategy

Verify imaging and clinical documentation before coding.

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 Mesenteric Adenitis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Mesenteric Adenitis

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

Primary Mesenteric Adenitis

Specialty: Pediatrics

Required Elements

  • Patient age and symptoms
  • Imaging findings
  • Clinical assessment
  • Treatment plan

Example Documentation

12-year-old male with RLQ tenderness, no rebound/guarding. Ultrasound shows three clustered mesenteric lymph nodes (8mm, 6mm, 7mm) in RLQ; appendix normal. Diagnosed with acute mesenteric adenitis.

Examples: Poor vs. Good Documentation

Poor Documentation Example
RLQ pain, rule out appendicitis.
Good Documentation Example
RLQ tenderness without rebound; US shows 3 mesenteric nodes (6-8mm) in RLQ, appendix normal. Diagnosis: Acute mesenteric adenitis (I88.0).
Explanation
The good example provides specific imaging findings and a clear diagnosis.

Need help with ICD-10 coding for Mesenteric Adenitis? Ask your questions below.

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