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ICD-10 Guide
DiagnosesOsteoarthritis Of Left Hip

Osteoarthritis Of Left Hip

ICD-10 Coding for Osteoarthritis of Left Hip(M16.12)

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

Diagnosis Overview

What is Osteoarthritis Of Left Hip?
Essential facts and insights about Osteoarthritis of Left Hip

Key Clinical Considerations:

  • Joint pain and stiffness in the left hip, especially after activity or prolonged inactivity
  • X-ray findings showing joint space narrowing, osteophytes, and subchondral sclerosis
  • Limited range of motion and crepitus during physical examination

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including onset, duration, and severity of symptoms
  • Specific terminology such as 'osteoarthritis', 'degenerative joint disease', and 'left hip'
  • Examples include detailed descriptions of pain levels, functional limitations, and treatment responses

Coding Guidelines

Usage Guidelines & Examples

  • Follow usage guidelines for M16.12 to avoid miscoding
  • Common errors include using unspecified codes or incorrect laterality

Code Exclusions

Important Exclusions

  • Rheumatoid arthritis, post-traumatic arthritis, and other inflammatory joint diseases
  • Alternative codes include M16.0 for bilateral osteoarthritis

Related ICD-10 Codes

Primary Codes
M16.12
Osteoarthritis of left hip
Ancillary Codes
Z96.642
M25.552
E66.01
Differential Codes
M16.11
M16.2
M16.5

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

  • Older adults, individuals with a history of joint injuries, and those with obesity
  • Orthopedic clinics, primary care settings, and rehabilitation facilities

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?

Document the patient's history, physical exam findings, and any imaging results.

What are the billing considerations?

Ensure accurate coding to reflect the severity and location of osteoarthritis for proper reimbursement.