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v1.0.0
ICD-10 Guide
DiagnosesArthritis Unspecified

Arthritis Unspecified

ICD-10 Coding for Unspecified Arthritis(M06.9, M19.90)

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

Diagnosis Overview

What is Arthritis Unspecified?
Essential facts and insights about Unspecified Arthritis

Key Clinical Considerations:

  • Joint pain, swelling, and stiffness
  • Elevated inflammatory markers (e.g., ESR, CRP)
  • Limited range of motion in affected joints

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including onset and duration of symptoms
  • Physical examination findings detailing affected joints
  • Assessment of functional limitations and impact on daily activities

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for unspecified codes to ensure appropriate use.
  • Common errors include using specific codes when unspecified is more appropriate.

Code Exclusions

Important Exclusions

  • Specific types of arthritis (e.g., rheumatoid arthritis, osteoarthritis)
  • Alternative codes for specific arthritic conditions

Related ICD-10 Codes

Primary Codes
714.9
Arthritis, unspecified
Ancillary Codes
Z79.899
Differential Codes
M19.90
M06.9

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Rheumatology

Specialty Applications

  • Adults and children presenting with joint symptoms
  • Outpatient rheumatology clinics 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

What are the documentation requirements?

Document patient history, physical exam findings, and any diagnostic tests performed.

What are the billing considerations?

Ensure accurate coding based on clinical documentation to avoid claim denials.