What is ICD-10 code M05.69?

M05.69 is the ICD-10-CM diagnosis code for Rheumatoid arthritis of multiple sites with involvement of other organs and systems. Rheumatoid arthritis affecting multiple joints throughout the body with involvement of other organs and systems. M05.69 is a billable code, meaning it can be reported on a claim as a primary or secondary diagnosis when supported by documentation. M05.69 is part of the FY2026 ICD-10-CM code set published by the CMS National Center for Health Statistics and used on Medicare, Medicaid, and commercial claims in the United States.

Yes. M05.69 is a billable ICD-10-CM code that can be reported on professional and institutional claims as a primary or secondary diagnosis when the provider documentation supports the specific condition described. Billable codes in ICD-10-CM are coded to the highest level of specificity available for the documented diagnosis. M05.69 is current for fiscal year 2026 and remains in the active CMS ICD-10-CM code set published by the National Center for Health Statistics.

Which HCC does M05.69 map to under V28?

M05.69 maps to CMS-HCC V28 HCC 93 (Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders). The category numbers, labels, and conditions come from the CMS-HCC V28 model file for payment year 2026.

What documentation supports M05.69?

Document the specific organs or systems involved (such as pulmonary, cardiac, or renal involvement) to support medical necessity This code represents polyarticular disease with systemic manifestations; ensure documentation supports multi-site involvement Because M05.69 maps to an HCC category, the documentation must satisfy MEAT criteria (Monitor, Evaluate, Assess, or Treat) before the diagnosis is used for risk adjustment. See the MEAT criteria checklist at /meat-criteria for what Monitor, Evaluate, Assess, or Treat looks like in a note. MEAT is generic documentation evidence, not a payer-specific rule.

2026 ICD-10-CM M05.69: Rheumatoid arthritis

M05.69 maps to CMS-HCC V28 93. A source-labeled RAF reference is available. Documentation must support MEAT. MEAT criteria · RAF Calculator · free HCC coding tools

ICD-10-CM Code View

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Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.

Code lookupM05.69Effective periodFY2026 Apr Update (Apr 1-Sep 30)

FY 2026 Apr update / Diseases of the musculoskeletal system and connective tissue (M00-M99) / Inflammatory polyarthropathies (M05-M14)

M05.69

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Rheumatoid arthritis of multiple sites with involvement of other organs and systems

Rheumatoid arthritis affecting multiple joints throughout the body with involvement of other organs and systems.

Buddy Insight

CMS-HCC V28

Mapped

HCC 93

Rheumatoid Arthritis and Othe...

Code-level coefficient reference

CMS-HCC V24

Historical

Not used for standard CY2026 Medicare Advantage payment. Select a historical period to review V24.

Not used for CY2026 payment

ACA/HHS

Mapped

HCC 056

HHS-HCC 056 adult, RAF varies...

Code-level coefficient reference

ESRD/PACE

Mapped

HCC 40

Rheumatoid Arthritis and Infl...

Code-level coefficient reference

RXHCC

Mapped

HCC 83

Rheumatoid Arthritis and Othe...

Code-level coefficient reference

Code Book Path

Official

M05Rheumatoid arthritis with rheumatoid factor

M05.6Rheumatoid arthritis with involvement of other organs and systems

M05.69Rheumatoid arthritis of multiple sites with involvement of other organs and systems

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for M05.69 in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for M05.69 in this effective period.

Related Child Codes

Official

M05.60Rheumatoid arthritis of unspecified site with involvement of other organs and systems

M05.61Rheumatoid arthritis of shoulder with involvement of other organs and systems

M05.62Rheumatoid arthritis of elbow with involvement of other organs and systems

M05.63Rheumatoid arthritis of wrist with involvement of other organs and systems

M05.64Rheumatoid arthritis of hand with involvement of other organs and systems

Includes

Official

ICD-10-CM does not list Includes notes for M05.69 in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for M05.69 in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for M05.69 in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for M05.69 in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for M05.69 in this effective period.

Buddy Documentation Tip

HCC Buddy guidance

Confirmation of rheumatoid arthritis affecting multiple joint sites

Documentation of at least three or more joint areas involved

Evidence of organ or system involvement beyond joints

Laboratory confirmation of RA diagnosis with inflammatory markers

MEAT Support

HCC Buddy guidance

Confirmation of rheumatoid arthritis affecting multiple joint sites

Documentation of at least three or more joint areas involved

Evidence of organ or system involvement beyond joints

Laboratory confirmation of RA diagnosis with inflammatory markers

Audit Caution

HCC Buddy guidance

Using this code without documenting multiple joint site involvement

Coding without evidence of systemic organ involvement

Applying to osteoarthritis affecting multiple joints

Failing to confirm extra-articular manifestations are RA-related

Common Mistakes

HCC Buddy guidance

M0569 vs M06.9 — M06.9 is unspecified RA without organ involvement requirement

M0569 vs M79.3 — M79.3 is panniculitis, not multi-site rheumatoid arthritis

M0569 vs M35.9 — M35.9 is unspecified systemic connective tissue disorder

M0569 vs M05.40 — M05.40 is rheumatoid myopathy without multi-site specification

Current with CMS: FY2026 ICD-10-CM Apr 1 update (effective Apr 1 – Sep 30, 2026) · CMS-HCC V28, 100% phased in for payment year 2026. FY2027 code set already staged for October 1, 2026. How HCC Buddy stays current →

Is M05.69 an HCC code?

Yes. M05.69 (Rheumatoid arthritis of multiple sites with involvement of other organs and systems) maps to HCC 93, Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders under the CMS-HCC V28 risk adjustment model, with a source-labeled community non-dual aged reference coefficient of 0.617. Source-labeled code-level coefficients are references, not member totals. Actual contribution depends on complete member context, hierarchy and cleanup rules, interactions, and model year. HCC Buddy's RAF Calculator supports CMS-HCC V28 PY2026 and shows no score unless every required source and calculation check passes. It is billable for payment year 2026.

Coder answer: M05.69 is billable and maps to V28 HCC 93, Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders. Open it in the Code Book for the tabular path, RAF, and MEAT checklist.

Code: M05.69
Description: Rheumatoid arthritis of multiple sites with involvement of other organs and systems
HCC (V28): HCC 93 — Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders
RAF reference coefficient: 0.617
Billable: Yes
Payment year: 2026

HCC Category Mapping

V28HCC 93, Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders

0.617

ESRDHCC 40, Rheumatoid Arthritis and Inflammatory Connective Tissue Disease

Not separately weighted

RxHCCHCC 83, Rheumatoid Arthritis and Other Inflammatory Polyarthropathy

Not separately weighted

These are source-labeled model coefficients, not member totals. A category may still be removed by hierarchy or model cleanup rules. Weights are not directly comparable across models: CMS-HCC V28 and V24 use Community, Non-Dual, Aged; ESRD uses the dialysis continuing-enrollee model; RxHCC is the Part D continuing-enrollee, non-low-income, aged weight (a larger scale than CMS-HCC). ACA/HHS has no single weight — it varies by metal level. Actual per-patient RAF contribution depends on member context, hierarchy and cleanup rules, interactions, and the model year used by the payer. V28 is the CMS-HCC model phased in over payment years 2024–2026; V24 remains available for historical review.

Work M05.69 in the Code Book — tabular path, V28 RAF reference, and MEAT checklist →

MEAT Criteria for M05.69

For M05.69 to count as a valid HCC diagnosis in a given encounter, the provider's documentation must show MEAT: Monitor, Evaluate, Assess, or Treat. A diagnosis from a prior year does not carry forward automatically, it has to be re-documented and supported each calendar year.

MMonitor: signs, symptoms, disease progression, or lab trending documented in the note
EEvaluate: test results, medication response, or physical findings reviewed by the provider
AAssess: explicit mention in the assessment or plan with acknowledgment of status
TTreat: medication, referral, procedure, therapy, or counseling tied to the diagnosis

Only one of M/E/A/T is required to support the code, but the documentation must be specific enough to show that the provider actually addressed M05.69 during that encounter, not just copy-forwarded from a problem list.

Coder workflow notes

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What This Code Means

M05.69 is the ICD-10-CM diagnosis code for rheumatoid arthritis of multiple sites with involvement of other organs and systems. Rheumatoid arthritis affecting multiple joints throughout the body with involvement of other organs and systems. M05.69 sits in the ICD-10-CM chapter for diseases of the musculoskeletal system and connective tissue (m00-m99), within the section covering inflammatory polyarthropathies (m05-m14).

Under the CMS-HCC V28 risk adjustment model, M05.69 maps to Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders (HCC 93) with a source-labeled community, non-dual, aged reference coefficient of 0.617. No V24 mapping is shown for M05.69; use the applicable model and payment year when reviewing the V28 mapping. V28 is the CMS-HCC risk adjustment model that reached 100% phase-in for payment year 2026, replacing V24 which was used during the PY2024–PY2025 transition. Source-labeled code-level coefficients are references, not member totals. Actual contribution depends on complete member context, hierarchy and cleanup rules, interactions, and model year. HCC Buddy's RAF Calculator supports CMS-HCC V28 PY2026 and shows no score unless every required source and calculation check passes.

Document the specific organs or systems involved (such as pulmonary, cardiac, or renal involvement) to support medical necessity. Because M05.69 maps to an HCC category, the provider's documentation must satisfy MEAT criteria (Monitor, Evaluate, Assess, or Treat) before the diagnosis is used for risk adjustment. When documentation is ambiguous, coders should issue a provider query rather than assume the highest-specificity variant.

HCC Buddy maintains structured V28 and V24 mapping, source-labeled coefficient references, and MEAT documentation criteria for M05.69 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Coding Tips

•Document the specific organs or systems involved (such as pulmonary, cardiac, or renal involvement) to support medical necessity
•This code represents polyarticular disease with systemic manifestations; ensure documentation supports multi-site involvement

Clinical Significance

This diagnosis represents the most severe form of systemic rheumatoid arthritis affecting multiple joint sites with organ involvement, indicating widespread inflammatory disease requiring intensive management. The multi-site involvement with systemic manifestations represents the highest complexity RA patients.

Documentation Requirements

✓Confirmation of rheumatoid arthritis affecting multiple joint sites
✓Documentation of at least three or more joint areas involved
✓Evidence of organ or system involvement beyond joints
✓Laboratory confirmation of RA diagnosis with inflammatory markers
✓Clinical documentation of extra-articular manifestations
✓Specific identification of affected organ systems
✓Clear attribution of systemic involvement to rheumatoid arthritis process

Commonly Confused Codes

•M0569 vs M06.9: M06.9 is unspecified RA without organ involvement requirement
•M0569 vs M79.3: M79.3 is panniculitis, not multi-site rheumatoid arthritis
•M0569 vs M35.9: M35.9 is unspecified systemic connective tissue disorder
•M0569 vs M05.40: M05.40 is rheumatoid myopathy without multi-site specification
•M0569 vs M32.9: M32.9 is systemic lupus erythematosus