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ICD-10 Guide
ICD-10 CodesK29.0

K29.0

Non-billable

Acute gastritis

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

Code Description

ICD-10 K29.0 is a used to indicate a diagnosis of acute gastritis.

Key Diagnostic Point:

Acute gastritis is characterized by the sudden inflammation of the gastric mucosa, which can lead to symptoms such as epigastric pain, nausea, vomiting, and dyspepsia. The condition may arise from various etiological factors including excessive alcohol consumption, nonsteroidal anti-inflammatory drugs (NSAIDs), bacterial infections (most notably Helicobacter pylori), and stress. The anatomy involved primarily includes the stomach, particularly the gastric lining, which becomes inflamed and may exhibit erosions or bleeding in severe cases. Disease progression can vary; while some patients may recover spontaneously, others may develop chronic gastritis if the underlying cause is not addressed. Diagnostic considerations include a thorough patient history, physical examination, and potentially endoscopic evaluation with biopsy to rule out other gastrointestinal disorders. Laboratory tests may also be performed to identify H. pylori infection or assess for anemia due to bleeding.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Diagnostic complexity: Moderate, as it requires differentiation from other gastrointestinal disorders.
  • Treatment complexity: Moderate, involving lifestyle changes, medication, and sometimes endoscopic interventions.
  • Documentation requirements: Requires detailed clinical notes and possibly lab results.
  • Coding specificity: Specific to acute gastritis, but may require additional codes for underlying causes.

Audit Risk Factors

  • Common coding errors: Misclassification as chronic gastritis or other gastrointestinal conditions.
  • Documentation gaps: Lack of detailed patient history or treatment plans.
  • Billing challenges: Potential denials if the underlying cause is not clearly documented.

Specialty Focus

Medical Specialties

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

Primary Care

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

Acute gastritis has significant clinical implications, as it can lead to complications such as gastrointestinal bleeding or chronic gastritis if not properly managed. The condition affects a substantial portion of the population, often linked to lifestyle factors. Understanding its prevalence can help healthcare providers implement preventive measures and improve patient education. Quality measures may focus on timely diagnosis and treatment, impacting healthcare utilization patterns and overall patient outcomes.

ICD-9 vs ICD-10

Acute gastritis has significant clinical implications, as it can lead to complications such as gastrointestinal bleeding or chronic gastritis if not properly managed. The condition affects a substantial portion of the population, often linked to lifestyle factors. Understanding its prevalence can help healthcare providers implement preventive measures and improve patient education. Quality measures may focus on timely diagnosis and treatment, impacting healthcare utilization patterns and overall patient outcomes.

Reimbursement & Billing Impact

Reimbursement considerations include the need for clear evidence of the acute nature of the condition and any associated treatments, such as medications or procedures. Common denials may arise from insufficient documentation or failure to demonstrate medical necessity. Best practices include ensuring that all clinical notes are detailed and that any laboratory or imaging studies are clearly linked to the diagnosis to avoid billing challenges.

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 K29.0?

K29.0 specifically covers acute gastritis, which may be caused by factors such as alcohol use, NSAID use, infections, or stress. It does not cover chronic gastritis or gastritis due to other specified causes.

When should K29.0 be used instead of related codes?

K29.0 should be used when the patient presents with acute symptoms of gastritis. If the condition is chronic or due to specific causes, other codes such as K29.1 or K29.9 should be considered.

What documentation supports K29.0?

Documentation should include a detailed patient history, clinical findings, treatment plans, and any relevant laboratory or imaging results that support the diagnosis of acute gastritis.