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v1.0.0
ICD-10 Guide
DiagnosesReactive Gastropathy

Reactive Gastropathy

ICD-10 Coding for Reactive Gastropathy(K29.70)

PRIMARY SPECIALTYGastroenterology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Reactive Gastropathy?
Essential facts and insights about Reactive Gastropathy

Key Clinical Considerations:

  • Nausea and vomiting
  • Epigastric pain or discomfort
  • Dyspepsia
  • Endoscopic findings of gastric mucosal inflammation
  • Histological evidence of reactive changes in gastric mucosa

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including symptoms and duration
  • Results of endoscopy and biopsy
  • Assessment of potential irritants (e.g., NSAIDs, alcohol)
  • Specific mention of reactive gastropathy in the clinical impression

Coding Guidelines

Usage Guidelines & Examples

  • Use K29.70 for non-bleeding cases and K29.71 for cases with bleeding.
  • Common errors include misclassifying reactive gastropathy as chronic gastritis.

Code Exclusions

Important Exclusions

  • Peptic ulcer disease
  • Gastric cancer
  • Functional dyspepsia

Related ICD-10 Codes

Primary Codes
K29.70
Unspecified gastritis, without bleeding
K29.71
Unspecified gastritis, with bleeding
Ancillary Codes
T39.315A
K91.89
Differential Codes
K29.9
K29.70
for confirmed reactive gastropathy;
K29.9
is too vague.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Gastroenterology

Specialty Applications

  • Adults with a history of NSAID use or alcohol consumption
  • Patients presenting with gastrointestinal symptoms in outpatient or inpatient settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Document the patient's symptoms, diagnostic tests, and any relevant history of irritant exposure.

Billing considerations?

Ensure accurate coding based on the severity and presence of complications to avoid claim denials.