ICD-10 Guide

Left Bka

ICD-10 Coding for Left Below-Knee Amputation (BKA)(Z89.512, E11.51)

PRIMARY SPECIALTYOrthopedic Surgery

COMPLEXITYHigh

LAST UPDATED09/15/2025

Sam Tuffun, PT, DPT

Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Left Bka?

Essential facts and insights about Left Below-Knee Amputation (BKA)

Key Clinical Considerations:

Pain and swelling in the left below-knee area
Imaging studies showing fractures or soft tissue injuries
Tenderness and decreased range of motion in the left ankle and foot

Clinical Information

Clinical Criteria & Documentation Requirements

Patient history including mechanism of injury
Detailed physical examination findings
Imaging results and treatment plan

Coding Guidelines

Usage Guidelines & Examples

Follow guidelines for coding fractures versus soft tissue injuries.
Common errors include using unspecified codes when specific codes are available.

Code Exclusions

Important Exclusions

Right lower leg injuries
Conditions unrelated to the left below-knee area

Specialty Focus

Primary Specialty

Orthopedic Surgery

Specialty Applications

Patients with traumatic injuries to the left lower leg
Orthopedic outpatient and 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?

Include detailed patient history, physical exam findings, and imaging results.

Billing considerations?

Ensure accurate coding to reflect the specific injury and treatment provided.

Left Bka

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 Bka

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?