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v1.0.0
ICD-10 Guide
DiagnosesInternal Hemorrhoid

Internal Hemorrhoid

ICD-10 Coding for Internal Hemorrhoid(K64.0, K64.1, K64.2, K64.3)

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

Diagnosis Overview

What is Internal Hemorrhoid?
Essential facts and insights about Internal Hemorrhoid

Key Clinical Considerations:

  • Painless rectal bleeding during bowel movements
  • Prolapse of hemorrhoidal tissue during straining
  • Itching or irritation in the anal region

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of symptoms and duration
  • Physical examination findings including inspection of the anal area
  • Description of any prior treatments or interventions

Coding Guidelines

Usage Guidelines & Examples

  • Use K64.0-K64.3 based on severity; K64.9 for unspecified cases.
  • Common errors include using the wrong degree code or failing to document symptoms.

Code Exclusions

Important Exclusions

  • Anal fissures and other anal disorders
  • Codes for external hemorrhoids (K64.4-K64.5)

Related ICD-10 Codes

Primary Codes
K64.9
Hemorrhoids, unspecified
K64.0
First degree hemorrhoids
K64.1
Second degree hemorrhoids
K64.2
Third degree hemorrhoids
K64.3
Fourth degree hemorrhoids
Differential Codes
K64.5
K64.3
K64.2

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Gastroenterology

Specialty Applications

  • Adults experiencing symptoms of hemorrhoids
  • Outpatient gastroenterology clinics and surgical centers

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 location, size, and degree of hemorrhoids, along with any associated symptoms.

Billing considerations?

Ensure accurate coding based on the degree of hemorrhoids and any procedures performed.