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ICD-10 Coding for History of Rheumatoid Arthritis(M05.79, Z86.59)

Complete ICD-10-CM coding and documentation guide for History of Rheumatoid Arthritis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Past Rheumatoid ArthritisResolved Rheumatoid Arthritis

Related ICD-10 Code Ranges

Complete code families applicable to History of Rheumatoid Arthritis

M05-M06Primary Range

Rheumatoid arthritis and related conditions

These codes cover active rheumatoid arthritis conditions, both seropositive and seronegative.

Personal history of other diseases of the musculoskeletal system and connective tissue

This code is used for documenting a history of rheumatoid arthritis when the condition is resolved.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
M05.79Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvementUse when rheumatoid arthritis is active and seropositive, affecting multiple joints.
  • Positive rheumatoid factor (RF) test
  • Clinical documentation of affected joints
Z86.59Personal history of other diseases of the musculoskeletal system and connective tissueUse when rheumatoid arthritis is resolved and no longer active.
  • Documentation of resolved condition
  • No current treatment or symptoms

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for history of rheumatoid arthritis

Essential facts and insights about History of Rheumatoid Arthritis

The ICD-10 code for history of rheumatoid arthritis is Z86.59, used when the condition is resolved.

Primary ICD-10-CM Codes for history of rheumatoid arthritis

Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement
Billable Code

Decision Criteria

clinical Criteria

  • Positive RF test and multiple joint involvement

documentation Criteria

  • Detailed joint involvement and serostatus

Applicable To

  • Seropositive rheumatoid arthritis

Excludes

  • Rheumatoid arthritis with organ or systems involvement

Clinical Validation Requirements

  • Positive rheumatoid factor (RF) test
  • Clinical documentation of affected joints

Code-Specific Risks

  • Incorrectly coding as seronegative when RF is positive

Coding Notes

  • Ensure documentation specifies seropositive status and affected joints.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Long term (current) use of other agents affecting estrogen receptors and selective estrogen receptor modulators

Z79.2
Use to indicate ongoing DMARD therapy.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Rheumatoid arthritis without rheumatoid factor, unspecified site

M06.09
Use when rheumatoid factor is negative or not tested.

Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement

M05.79
Use M05.79 for active seropositive RA.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting History of Rheumatoid Arthritis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code M05.79.

Impact

Clinical: May lead to inappropriate treatment decisions., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.

Mitigation Strategy

Always include RF or anti-CCP results in documentation.

Impact

Reimbursement: May lead to incorrect reimbursement rates., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.

Mitigation Strategy

Ensure active RA is coded with M05 or M06 series codes.

Impact

Using Z86.59 for active RA cases.

Mitigation Strategy

Ensure active RA is documented with appropriate M05 or M06 codes.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for History of Rheumatoid Arthritis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for History of Rheumatoid Arthritis

Use these documentation templates to ensure complete and accurate documentation for History of Rheumatoid Arthritis. These templates include all required elements for proper coding and billing.

Rheumatology follow-up for RA

Specialty: Rheumatology

Required Elements

  • Serostatus
  • Affected joints
  • Current treatment

Example Documentation

Patient presents with seropositive RA affecting bilateral knees. Currently on methotrexate 15mg weekly.

Examples: Poor vs. Good Documentation

Poor Documentation Example
History of RA, follow-up.
Good Documentation Example
Seropositive RA (RF 45 IU/mL) in remission, last flare 12/2024, current methotrexate 15mg weekly.
Explanation
The good example provides serostatus, treatment details, and remission status.

Need help with ICD-10 coding for History of Rheumatoid Arthritis? Ask your questions below.

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