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v1.0.0
ICD-10 Guide
DiagnosesLeft Knee Tka

Left Knee Tka

ICD-10 Coding for Left Knee Total Knee Arthroplasty(Z96.652, Z47.1)

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

Diagnosis Overview

What is Left Knee Tka?
Essential facts and insights about Left Knee Total Knee Arthroplasty

Key Clinical Considerations:

  • Severe knee pain affecting daily activities
  • Radiographic evidence of osteoarthritis or other degenerative joint disease
  • Limited range of motion and functional impairment

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including prior treatments and response
  • Detailed physical examination findings
  • Surgical consent and pre-operative assessment notes

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding complications and comorbidities.
  • Common errors include incorrect laterality and missing documentation.

Code Exclusions

Important Exclusions

  • Acute knee injuries requiring different interventions
  • Codes for bilateral knee replacements if only one knee is being addressed

Related ICD-10 Codes

Primary Codes
Z96.651
Presence of artificial knee joint
M17.12
Unilateral primary osteoarthritis, left knee
Ancillary Codes
M25.561
Differential Codes
Z96.651

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

  • Patients with severe knee osteoarthritis or trauma
  • Orthopedic surgical settings and outpatient 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

What are the documentation requirements?

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

What are the billing considerations?

Ensure accurate coding of diagnosis and procedure, and verify insurance coverage for TKA.