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ICD-10 Guide
ICD-10 CodesK29.90

K29.90

Billable

Gastroduodenitis, unspecified, without bleeding

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/06/2025

Code Description

ICD-10 K29.90 is a billable code used to indicate a diagnosis of gastroduodenitis, unspecified, without bleeding.

Key Diagnostic Point:

Gastroduodenitis, unspecified, without bleeding, refers to the inflammation of the stomach (gastritis) and the duodenum, which is the first part of the small intestine. This condition can present with a variety of symptoms including abdominal pain, nausea, vomiting, and dyspepsia. The inflammation may arise from various etiologies, including infections (such as Helicobacter pylori), excessive alcohol consumption, prolonged use of nonsteroidal anti-inflammatory drugs (NSAIDs), or autoimmune disorders. The anatomy involved includes the gastric mucosa and the duodenal lining, which can become compromised due to inflammation. Disease progression can lead to chronic gastritis or duodenitis if not addressed, potentially resulting in complications such as peptic ulcers or gastric atrophy. Diagnostic considerations for K29.90 include a thorough patient history, physical examination, and may involve endoscopic evaluation or imaging studies to rule out other gastrointestinal disorders. Laboratory tests may also be conducted to identify underlying causes, such as H. pylori infection or other inflammatory markers.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Moderate, as it requires differentiation from other gastrointestinal conditions.
  • Treatment complexity: Moderate, as treatment may involve lifestyle changes, medications, or further interventions.
  • Documentation requirements: Moderate, necessitating detailed patient history and clinical findings.
  • Coding specificity: Medium, as it is important to specify the absence of bleeding and differentiate from other related codes.

Audit Risk Factors

  • Common coding errors: Misclassification with related codes that specify bleeding or other gastrointestinal conditions.
  • Documentation gaps: Insufficient clinical details regarding symptoms or diagnostic tests.
  • Billing challenges: Potential denials if documentation does not clearly support the diagnosis or if related conditions are not ruled out.

Specialty Focus

Medical Specialties

Primary medical specialty: Gastroenterology

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Secondary specialty: Internal Medicine

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related ICD-10 Codes

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

Gastroduodenitis can significantly impact patient quality of life and healthcare utilization, leading to increased visits to healthcare providers and potential hospitalizations if complications arise. Understanding the epidemiology of this condition, including its prevalence in various populations, is crucial for developing effective prevention and management strategies. Quality measures related to the diagnosis and treatment of gastroduodenitis can help improve patient outcomes and reduce healthcare costs.

ICD-9 vs ICD-10

Gastroduodenitis can significantly impact patient quality of life and healthcare utilization, leading to increased visits to healthcare providers and potential hospitalizations if complications arise. Understanding the epidemiology of this condition, including its prevalence in various populations, is crucial for developing effective prevention and management strategies. Quality measures related to the diagnosis and treatment of gastroduodenitis can help improve patient outcomes and reduce healthcare costs.

Reimbursement & Billing Impact

Reimbursement considerations include ensuring that the diagnosis is clearly supported by clinical findings and that any necessary procedures are appropriately coded. Common denials may arise from insufficient documentation or failure to provide evidence of the condition's impact on the patient's health. Best practices include maintaining thorough records of patient interactions, diagnostic tests, and treatment plans to facilitate smooth billing processes and minimize audit risks.

Resources

Clinical References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Coding & Billing References

  • •
    ICD-10 Official Guidelines for K00-K99
  • •
    Clinical Documentation Requirements

Frequently Asked Questions

What specific conditions are covered by K29.90?

K29.90 covers unspecified gastroduodenitis without bleeding, which may include acute or chronic inflammation of the stomach and duodenum due to various causes such as infections, medications, or irritants. It does not specify the underlying cause, allowing for broader application in clinical settings.

When should K29.90 be used instead of related codes?

K29.90 should be used when the diagnosis of gastroduodenitis is confirmed but does not involve bleeding. It is appropriate when the clinician has not specified the cause of the inflammation or when further diagnostic testing is pending.

What documentation supports K29.90?

Documentation for K29.90 should include a detailed patient history, clinical findings, and any diagnostic tests performed. It is essential to document the absence of bleeding and any relevant symptoms to support the diagnosis.