Systemic Lupus Erythematosus and Other Specified Systemic Connective Tissue Disorders
Under the CMS-HCC V28 risk adjustment model (PY2026 Medicare Advantage), HCC 94 carries a community non-dual aged RAF of 0.268, and 71 payable ICD-10-CM diagnosis codes map to it. In the V28 hierarchy it is superseded by HCC 93 when a more severe category in the same disease group is also present.
RAF factors
The community factor varies by Medicaid and originally-disabled status; the institutional factor applies to long-term-institutional members. These are the CMS-HCC V28 PY2026 relative factors.
V28 hierarchy
Trumped by: HCC 93 (a more severe category in the same disease group supersedes this one).
ICD-10-CM codes that map to HCC 94 (71)
Payable diagnosis codes that map to this category under CMS-HCC V28 PY2026. Open any code for its full description, HCC mapping, and coding guidance.
- M02.30Reiter's disease, unspecified site
- M02.311Reiter's disease, right shoulder
- M02.312Reiter's disease, left shoulder
- M02.319Reiter's disease, unspecified shoulder
- M02.321Reiter's disease, right elbow
- M02.322Reiter's disease, left elbow
- M02.329Reiter's disease, unspecified elbow
- M02.331Reiter's disease, right wrist
- M02.332Reiter's disease, left wrist
- M02.339Reiter's disease, unspecified wrist
- M02.341Reiter's disease, right hand
- M02.342Reiter's disease, left hand
- M02.349Reiter's disease, unspecified hand
- M02.351Reiter's disease, right hip
- M02.352Reiter's disease, left hip
- M02.359Reiter's disease, unspecified hip
- M02.361Reiter's disease, right knee
- M02.362Reiter's disease, left knee
- M02.369Reiter's disease, unspecified knee
- M02.371Reiter's disease, right ankle and foot
- M02.372Reiter's disease, left ankle and foot
- M02.379Reiter's disease, unspecified ankle and foot
- M02.38Reiter's disease, vertebrae
- M02.39Reiter's disease, multiple sites
- M04.1Periodic fever syndromes
- M04.2Cryopyrin-associated periodic syndromes
- M04.8Other autoinflammatory syndromes
- M04.9Autoinflammatory syndrome, unspecified
- M06.4Inflammatory polyarthropathy
- M12.00Chronic postrheumatic arthropathy [Jaccoud], unspecified site
- M12.011Chronic postrheumatic arthropathy [Jaccoud], right shoulder
- M12.012Chronic postrheumatic arthropathy [Jaccoud], left shoulder
- M12.019Chronic postrheumatic arthropathy [Jaccoud], unspecified shoulder
- M12.021Chronic postrheumatic arthropathy [Jaccoud], right elbow
- M12.022Chronic postrheumatic arthropathy [Jaccoud], left elbow
- M12.029Chronic postrheumatic arthropathy [Jaccoud], unspecified elbow
- M12.031Chronic postrheumatic arthropathy [Jaccoud], right wrist
- M12.032Chronic postrheumatic arthropathy [Jaccoud], left wrist
- M12.039Chronic postrheumatic arthropathy [Jaccoud], unspecified wrist
- M12.041Chronic postrheumatic arthropathy [Jaccoud], right hand
- M12.042Chronic postrheumatic arthropathy [Jaccoud], left hand
- M12.049Chronic postrheumatic arthropathy [Jaccoud], unspecified hand
- M12.051Chronic postrheumatic arthropathy [Jaccoud], right hip
- M12.052Chronic postrheumatic arthropathy [Jaccoud], left hip
- M12.059Chronic postrheumatic arthropathy [Jaccoud], unspecified hip
- M12.061Chronic postrheumatic arthropathy [Jaccoud], right knee
- M12.062Chronic postrheumatic arthropathy [Jaccoud], left knee
- M12.069Chronic postrheumatic arthropathy [Jaccoud], unspecified knee
- M12.071Chronic postrheumatic arthropathy [Jaccoud], right ankle and foot
- M12.072Chronic postrheumatic arthropathy [Jaccoud], left ankle and foot
- M12.079Chronic postrheumatic arthropathy [Jaccoud], unspecified ankle and foot
- M12.08Chronic postrheumatic arthropathy [Jaccoud], other specified site
- M12.09Chronic postrheumatic arthropathy [Jaccoud], multiple sites
- M30.0Polyarteritis nodosa
- M30.2Juvenile polyarteritis
- M30.8Other conditions related to polyarteritis nodosa
- M31.5Giant cell arteritis with polymyalgia rheumatica
- M31.6Other giant cell arteritis
- M31.7Microscopic polyangiitis
- M31.8Other specified necrotizing vasculopathies
- M31.9Necrotizing vasculopathy, unspecified
- M32.10Systemic lupus erythematosus, organ or system involvement unspecified
- M32.11Endocarditis in systemic lupus erythematosus
- M32.12Pericarditis in systemic lupus erythematosus
- M32.13Lung involvement in systemic lupus erythematosus
- M32.14Glomerular disease in systemic lupus erythematosus
- M32.15Tubulo-interstitial nephropathy in systemic lupus erythematosus
- M32.19Other organ or system involvement in systemic lupus erythematosus
- M32.8Other forms of systemic lupus erythematosus
- M32.9Systemic lupus erythematosus, unspecified
- M35.2Behcet's disease
Frequently asked questions
What is CMS-HCC V28 category 94?
HCC 94 is "Systemic Lupus Erythematosus and Other Specified Systemic Connective Tissue Disorders", a payment Hierarchical Condition Category in the CMS-HCC V28 risk adjustment model (100% phase-in for payment year 2026). 71 payable ICD-10-CM codes map to it.
What is the RAF weight for HCC 94?
The community non-dual aged relative factor for CMS-HCC V28 category 94 is 0.268. The exact factor varies by enrollment segment (community Medicaid and originally-disabled status, and institutional); the full segment table is published in the CMS V28 Rate Announcement.
How many ICD-10-CM codes map to HCC 94?
71 payable ICD-10-CM diagnosis codes map to CMS-HCC V28 category 94 (Systemic Lupus Erythematosus and Other Specified Systemic Connective Tissue Disorders) for payment year 2026.
Which categories trump HCC 94 in the V28 hierarchy?
HCC 94 is superseded by HCC 93 (Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders). When a more severe category in the same disease group is documented, it is counted instead of HCC 94.
Source: CMS published ICD-10-CM mapping file plus CMS-HCC v28 PY2026 model software.