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v1.0.0
ICD-10 Guide
DiagnosesFunctional Dyspepsia

Functional Dyspepsia

ICD-10 Coding for Functional Dyspepsia(K30)

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

Diagnosis Overview

What is Functional Dyspepsia?
Essential facts and insights about Functional Dyspepsia

Key Clinical Considerations:

  • Epigastric pain or discomfort
  • Early satiety
  • Bloating
  • Nausea
  • No evidence of structural disease
  • Symptoms lasting at least 3 months

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history and symptom duration
  • Exclusion of organic causes
  • Details of diagnostic tests performed
  • Response to treatment
  • Specific terminology: 'Functional Dyspepsia'

Coding Guidelines

Usage Guidelines & Examples

  • Usage guidelines: Use K30 for functional dyspepsia; differentiate from organic dyspepsia.
  • Common errors: Misclassifying functional dyspepsia as GERD or peptic ulcer disease.

Code Exclusions

Important Exclusions

  • Peptic ulcer disease
  • Gastroesophageal reflux disease (GERD)
  • Malignancy

Related ICD-10 Codes

Primary Codes
K30
Functional dyspepsia
Differential Codes
R10.13
F45.8

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Gastroenterology

Specialty Applications

  • Adult and pediatric populations
  • Outpatient gastroenterology clinics

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 symptom duration, severity, and any previous treatments.

Billing considerations?

Ensure accurate coding to avoid denials; check for payer-specific guidelines.