ICD-10 Guide

Left Great Toe Amputation

ICD-10 Coding for Left Great Toe Amputation(Z89.412, S98.122S)

PRIMARY SPECIALTYPodiatry

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Left Great Toe Amputation?

Essential facts and insights about Left Great Toe Amputation

Key Clinical Considerations:

Pain and swelling in the left great toe
Necrosis or infection of the toe
Presence of diabetic foot ulcers or peripheral vascular disease
X-ray findings of bone infection or osteomyelitis

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history including comorbidities (e.g., diabetes, vascular disease)
Detailed description of the procedure performed
Pre-operative and post-operative assessments
Informed consent documentation

Coding Guidelines

Usage Guidelines & Examples

Ensure correct coding for complications such as infection or non-healing ulcers.
Common errors include using incorrect laterality or omitting comorbid conditions.

Code Exclusions

Important Exclusions

Congenital absence of the toe
Amputation due to malignancy or trauma unrelated to vascular disease

Specialty Focus

Primary Specialty

Podiatry

Specialty Applications

Patients with diabetes, peripheral vascular disease, or severe trauma
Podiatry clinics, surgical centers, and hospitals

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?

Include detailed patient history, procedure notes, and post-operative care.

Billing considerations?

Ensure correct ICD-10 codes are used and verify insurance coverage for amputation procedures.

Left Great Toe Amputation

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?

Left Great Toe Amputation

Diagnosis Overview

Key Clinical Considerations:

Clinical Information

Clinical Criteria & Documentation Requirements

Coding Guidelines

Usage Guidelines & Examples

Code Exclusions

Important Exclusions

Related ICD-10 Codes

Related CPT Codes

Specialty Focus

Primary Specialty

Specialty Applications

Coding Complexity

Documentation

Documentation Templates

Billing Information

Billing Considerations

Common Issues

Frequently Asked Questions

Documentation requirements?

Billing considerations?