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v1.0.0
ICD-10 Guide
DiagnosesArthritis Shoulder

Arthritis Shoulder

ICD-10 Coding for Arthritis of the Shoulder(M19.011, M19.012)

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

Diagnosis Overview

What is Arthritis Shoulder?
Essential facts and insights about Arthritis of the Shoulder

Key Clinical Considerations:

  • Patient presents with shoulder pain, stiffness, and reduced range of motion.
  • Laboratory tests may show elevated inflammatory markers such as ESR or CRP.
  • Physical examination reveals tenderness, swelling, and crepitus in the shoulder joint.
  • Imaging studies (X-ray, MRI) may show joint space narrowing, osteophyte formation, or subchondral sclerosis.
  • Severity can be assessed based on the degree of functional impairment and pain levels.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Document the patient's history, including onset, duration, and characteristics of shoulder symptoms.
  • Use specific terminology such as 'osteoarthritis' or 'rheumatoid arthritis' as applicable.
  • Examples include: 'Patient diagnosed with osteoarthritis of the right shoulder based on clinical and imaging findings.'
  • Document medical necessity for treatments, including conservative management and surgical options.
  • Quality measures may include functional assessments and pain scales.

Coding Guidelines

Usage Guidelines & Examples

  • Use M19.011 for primary osteoarthritis of the right shoulder and M19.012 for the left shoulder.
  • Do not use these codes for shoulder pain due to trauma or other non-arthritic conditions.
  • Similar codes include M19.00 for unspecified osteoarthritis and M19.03 for post-traumatic osteoarthritis.
  • Common errors include using the wrong laterality or failing to specify the type of arthritis.
  • In complex cases, ensure to document all contributing factors and consider additional codes for comorbidities.

Code Exclusions

Important Exclusions

  • Excludes conditions such as rheumatoid arthritis (M05) and post-traumatic arthritis (M19.03).
  • Alternative codes for excluded conditions include M05 for rheumatoid arthritis affecting the shoulder.
  • Conditions are excluded due to differing pathophysiology and treatment approaches.
  • Common mistakes include misclassifying inflammatory arthritis as osteoarthritis.
  • Related but distinct conditions include shoulder impingement syndrome and adhesive capsulitis.

Related ICD-10 Codes

Primary Codes
M19.011
Primary billable ICD-10 code for primary osteoarthritis of the right shoulder
M19.012
Primary billable ICD-10 code for primary osteoarthritis of the left shoulder
Ancillary Codes
M25.511
M25.512
Differential Codes
M19.111
M19.112

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Orthopedics

Specialty Applications

  • Applies to patients with diagnosed osteoarthritis affecting the shoulder joint.
  • Common in older adults, particularly those with a history of joint injuries or obesity.
  • Clinical settings include outpatient orthopedic clinics and rehabilitation centers.
  • Relevant for orthopedic specialists, primary care providers, and physical therapists.
  • Used in treatment contexts involving pain management, physical therapy, or surgical intervention.

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

Template 1

Template: 'Patient diagnosed with osteoarthritis of the shoulder based on clinical findings and imaging results.'

Template 2

Template: 'Clinical presentation consistent with shoulder arthritis including pain and limited range of motion.'

Template 3

Template: 'Diagnostic criteria for osteoarthritis met as evidenced by X-ray findings of joint space narrowing.'

Template 4

Template: 'Treatment plan initiated for shoulder arthritis with physical therapy and pain management.'

Template 5

Template: 'Follow-up care for shoulder arthritis including monitoring of pain levels and functional status.'

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 documentation is required for this diagnosis?

Detailed documentation of clinical findings, imaging results, and treatment plans.

How does this differ from similar diagnoses?

Differentiation is based on the underlying cause, such as inflammatory vs. degenerative arthritis.

What are common billing considerations?

Ensure accurate coding for the specific type of arthritis and document medical necessity.

What procedures are typically associated?

Related CPT codes may include joint injections, physical therapy, and arthroscopy.

Are there any quality reporting implications?

Quality measures may include functional assessments and patient-reported outcomes.