M00-M991208 V28 risk-adjusting codes
Diseases of the musculoskeletal system and connective tissue
ICD-10-CM Chapter 13 (M00-M99) in the FY2026 code set. 1208 codes in this chapter map to a CMS-HCC V28 payment category, across 10 HCC categories.
CMS-HCC V28 categories in this chapter (10)
Open any category for its full member-code list, RAF, and hierarchy.
- HCC 92 Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis590
- HCC 93 Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders498
- HCC 94 Systemic Lupus Erythematosus and Other Specified Systemic Connective Tissue Disorders71
- HCC 402 Hip Fracture/Dislocation26
- HCC 401 Vertebral Fractures without Spinal Cord Injury11
- HCC 280 Chronic Obstructive Pulmonary Disease, Interstitial Lung Disorders, and Other Chronic Lung Disorders6
- HCC 278 Idiopathic Pulmonary Fibrosis and Lung Involvement in Systemic Sclerosis2
- HCC 112 Immune Thrombocytopenia and Specified Coagulation Defects and Hemorrhagic Conditions2
- HCC 454 Stem Cell, Including Bone Marrow, Transplant Status/Complications1
- HCC 2 Septicemia, Sepsis, Systemic Inflammatory Response Syndrome/Shock1
Risk-adjusting ICD-10-CM codes (showing 300 of 1208)
Codes in this chapter that map to a CMS-HCC V28 payment category. Open any code for its full detail.
- M00.00Staphylococcal arthritis, unspecified joint
- M00.011Staphylococcal arthritis, right shoulder
- M00.012Staphylococcal arthritis, left shoulder
- M00.019Staphylococcal arthritis, unspecified shoulder
- M00.021Staphylococcal arthritis, right elbow
- M00.022Staphylococcal arthritis, left elbow
- M00.029Staphylococcal arthritis, unspecified elbow
- M00.031Staphylococcal arthritis, right wrist
- M00.032Staphylococcal arthritis, left wrist
- M00.039Staphylococcal arthritis, unspecified wrist
- M00.041Staphylococcal arthritis, right hand
- M00.042Staphylococcal arthritis, left hand
- M00.049Staphylococcal arthritis, unspecified hand
- M00.051Staphylococcal arthritis, right hip
- M00.052Staphylococcal arthritis, left hip
- M00.059Staphylococcal arthritis, unspecified hip
- M00.061Staphylococcal arthritis, right knee
- M00.062Staphylococcal arthritis, left knee
- M00.069Staphylococcal arthritis, unspecified knee
- M00.071Staphylococcal arthritis, right ankle and foot
- M00.072Staphylococcal arthritis, left ankle and foot
- M00.079Staphylococcal arthritis, unspecified ankle and foot
- M00.08Staphylococcal arthritis, vertebrae
- M00.09Staphylococcal polyarthritis
- M00.10Pneumococcal arthritis, unspecified joint
- M00.111Pneumococcal arthritis, right shoulder
- M00.112Pneumococcal arthritis, left shoulder
- M00.119Pneumococcal arthritis, unspecified shoulder
- M00.121Pneumococcal arthritis, right elbow
- M00.122Pneumococcal arthritis, left elbow
- M00.129Pneumococcal arthritis, unspecified elbow
- M00.131Pneumococcal arthritis, right wrist
- M00.132Pneumococcal arthritis, left wrist
- M00.139Pneumococcal arthritis, unspecified wrist
- M00.141Pneumococcal arthritis, right hand
- M00.142Pneumococcal arthritis, left hand
- M00.149Pneumococcal arthritis, unspecified hand
- M00.151Pneumococcal arthritis, right hip
- M00.152Pneumococcal arthritis, left hip
- M00.159Pneumococcal arthritis, unspecified hip
- M00.161Pneumococcal arthritis, right knee
- M00.162Pneumococcal arthritis, left knee
- M00.169Pneumococcal arthritis, unspecified knee
- M00.171Pneumococcal arthritis, right ankle and foot
- M00.172Pneumococcal arthritis, left ankle and foot
- M00.179Pneumococcal arthritis, unspecified ankle and foot
- M00.18Pneumococcal arthritis, vertebrae
- M00.19Pneumococcal polyarthritis
- M00.20Other streptococcal arthritis, unspecified joint
- M00.211Other streptococcal arthritis, right shoulder
- M00.212Other streptococcal arthritis, left shoulder
- M00.219Other streptococcal arthritis, unspecified shoulder
- M00.221Other streptococcal arthritis, right elbow
- M00.222Other streptococcal arthritis, left elbow
- M00.229Other streptococcal arthritis, unspecified elbow
- M00.231Other streptococcal arthritis, right wrist
- M00.232Other streptococcal arthritis, left wrist
- M00.239Other streptococcal arthritis, unspecified wrist
- M00.241Other streptococcal arthritis, right hand
- M00.242Other streptococcal arthritis, left hand
- M00.249Other streptococcal arthritis, unspecified hand
- M00.251Other streptococcal arthritis, right hip
- M00.252Other streptococcal arthritis, left hip
- M00.259Other streptococcal arthritis, unspecified hip
- M00.261Other streptococcal arthritis, right knee
- M00.262Other streptococcal arthritis, left knee
- M00.269Other streptococcal arthritis, unspecified knee
- M00.271Other streptococcal arthritis, right ankle and foot
- M00.272Other streptococcal arthritis, left ankle and foot
- M00.279Other streptococcal arthritis, unspecified ankle and foot
- M00.28Other streptococcal arthritis, vertebrae
- M00.29Other streptococcal polyarthritis
- M00.80Arthritis due to other bacteria, unspecified joint
- M00.811Arthritis due to other bacteria, right shoulder
- M00.812Arthritis due to other bacteria, left shoulder
- M00.819Arthritis due to other bacteria, unspecified shoulder
- M00.821Arthritis due to other bacteria, right elbow
- M00.822Arthritis due to other bacteria, left elbow
- M00.829Arthritis due to other bacteria, unspecified elbow
- M00.831Arthritis due to other bacteria, right wrist
- M00.832Arthritis due to other bacteria, left wrist
- M00.839Arthritis due to other bacteria, unspecified wrist
- M00.841Arthritis due to other bacteria, right hand
- M00.842Arthritis due to other bacteria, left hand
- M00.849Arthritis due to other bacteria, unspecified hand
- M00.851Arthritis due to other bacteria, right hip
- M00.852Arthritis due to other bacteria, left hip
- M00.859Arthritis due to other bacteria, unspecified hip
- M00.861Arthritis due to other bacteria, right knee
- M00.862Arthritis due to other bacteria, left knee
- M00.869Arthritis due to other bacteria, unspecified knee
- M00.871Arthritis due to other bacteria, right ankle and foot
- M00.872Arthritis due to other bacteria, left ankle and foot
- M00.879Arthritis due to other bacteria, unspecified ankle and foot
- M00.88Arthritis due to other bacteria, vertebrae
- M00.89Polyarthritis due to other bacteria
- M00.9Pyogenic arthritis, unspecified
- M01.X0Direct infection of unspecified joint in infectious and parasitic diseases classified elsewhere
- M01.X11Direct infection of right shoulder in infectious and parasitic diseases classified elsewhere
- M01.X12Direct infection of left shoulder in infectious and parasitic diseases classified elsewhere
- M01.X19Direct infection of unspecified shoulder in infectious and parasitic diseases classified elsewhere
- M01.X21Direct infection of right elbow in infectious and parasitic diseases classified elsewhere
- M01.X22Direct infection of left elbow in infectious and parasitic diseases classified elsewhere
- M01.X29Direct infection of unspecified elbow in infectious and parasitic diseases classified elsewhere
- M01.X31Direct infection of right wrist in infectious and parasitic diseases classified elsewhere
- M01.X32Direct infection of left wrist in infectious and parasitic diseases classified elsewhere
- M01.X39Direct infection of unspecified wrist in infectious and parasitic diseases classified elsewhere
- M01.X41Direct infection of right hand in infectious and parasitic diseases classified elsewhere
- M01.X42Direct infection of left hand in infectious and parasitic diseases classified elsewhere
- M01.X49Direct infection of unspecified hand in infectious and parasitic diseases classified elsewhere
- M01.X51Direct infection of right hip in infectious and parasitic diseases classified elsewhere
- M01.X52Direct infection of left hip in infectious and parasitic diseases classified elsewhere
- M01.X59Direct infection of unspecified hip in infectious and parasitic diseases classified elsewhere
- M01.X61Direct infection of right knee in infectious and parasitic diseases classified elsewhere
- M01.X62Direct infection of left knee in infectious and parasitic diseases classified elsewhere
- M01.X69Direct infection of unspecified knee in infectious and parasitic diseases classified elsewhere
- M01.X71Direct infection of right ankle and foot in infectious and parasitic diseases classified elsewhere
- M01.X72Direct infection of left ankle and foot in infectious and parasitic diseases classified elsewhere
- M01.X79Direct infection of unspecified ankle and foot in infectious and parasitic diseases classified elsewhere
- M01.X8Direct infection of vertebrae in infectious and parasitic diseases classified elsewhere
- M01.X9Direct infection of multiple joints in infectious and parasitic diseases classified elsewhere
- M02.10Postdysenteric arthropathy, unspecified site
- M02.111Postdysenteric arthropathy, right shoulder
- M02.112Postdysenteric arthropathy, left shoulder
- M02.119Postdysenteric arthropathy, unspecified shoulder
- M02.121Postdysenteric arthropathy, right elbow
- M02.122Postdysenteric arthropathy, left elbow
- M02.129Postdysenteric arthropathy, unspecified elbow
- M02.131Postdysenteric arthropathy, right wrist
- M02.132Postdysenteric arthropathy, left wrist
- M02.139Postdysenteric arthropathy, unspecified wrist
- M02.141Postdysenteric arthropathy, right hand
- M02.142Postdysenteric arthropathy, left hand
- M02.149Postdysenteric arthropathy, unspecified hand
- M02.151Postdysenteric arthropathy, right hip
- M02.152Postdysenteric arthropathy, left hip
- M02.159Postdysenteric arthropathy, unspecified hip
- M02.161Postdysenteric arthropathy, right knee
- M02.162Postdysenteric arthropathy, left knee
- M02.169Postdysenteric arthropathy, unspecified knee
- M02.171Postdysenteric arthropathy, right ankle and foot
- M02.172Postdysenteric arthropathy, left ankle and foot
- M02.179Postdysenteric arthropathy, unspecified ankle and foot
- M02.18Postdysenteric arthropathy, vertebrae
- M02.19Postdysenteric arthropathy, multiple sites
- 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
- M02.80Other reactive arthropathies, unspecified site
- M02.811Other reactive arthropathies, right shoulder
- M02.812Other reactive arthropathies, left shoulder
- M02.819Other reactive arthropathies, unspecified shoulder
- M02.821Other reactive arthropathies, right elbow
- M02.822Other reactive arthropathies, left elbow
- M02.829Other reactive arthropathies, unspecified elbow
- M02.831Other reactive arthropathies, right wrist
- M02.832Other reactive arthropathies, left wrist
- M02.839Other reactive arthropathies, unspecified wrist
- M02.841Other reactive arthropathies, right hand
- M02.842Other reactive arthropathies, left hand
- M02.849Other reactive arthropathies, unspecified hand
- M02.851Other reactive arthropathies, right hip
- M02.852Other reactive arthropathies, left hip
- M02.859Other reactive arthropathies, unspecified hip
- M02.861Other reactive arthropathies, right knee
- M02.862Other reactive arthropathies, left knee
- M02.869Other reactive arthropathies, unspecified knee
- M02.871Other reactive arthropathies, right ankle and foot
- M02.872Other reactive arthropathies, left ankle and foot
- M02.879Other reactive arthropathies, unspecified ankle and foot
- M02.88Other reactive arthropathies, vertebrae
- M02.89Other reactive arthropathies, multiple sites
- M02.9Reactive arthropathy, unspecified
- M04.1Periodic fever syndromes
- M04.2Cryopyrin-associated periodic syndromes
- M04.8Other autoinflammatory syndromes
- M04.9Autoinflammatory syndrome, unspecified
- M05.00Felty's syndrome, unspecified site
- M05.011Felty's syndrome, right shoulder
- M05.012Felty's syndrome, left shoulder
- M05.019Felty's syndrome, unspecified shoulder
- M05.021Felty's syndrome, right elbow
- M05.022Felty's syndrome, left elbow
- M05.029Felty's syndrome, unspecified elbow
- M05.031Felty's syndrome, right wrist
- M05.032Felty's syndrome, left wrist
- M05.039Felty's syndrome, unspecified wrist
- M05.041Felty's syndrome, right hand
- M05.042Felty's syndrome, left hand
- M05.049Felty's syndrome, unspecified hand
- M05.051Felty's syndrome, right hip
- M05.052Felty's syndrome, left hip
- M05.059Felty's syndrome, unspecified hip
- M05.061Felty's syndrome, right knee
- M05.062Felty's syndrome, left knee
- M05.069Felty's syndrome, unspecified knee
- M05.071Felty's syndrome, right ankle and foot
- M05.072Felty's syndrome, left ankle and foot
- M05.079Felty's syndrome, unspecified ankle and foot
- M05.09Felty's syndrome, multiple sites
- M05.10Rheumatoid lung disease with rheumatoid arthritis of unspecified site
- M05.111Rheumatoid lung disease with rheumatoid arthritis of right shoulder
- M05.112Rheumatoid lung disease with rheumatoid arthritis of left shoulder
- M05.119Rheumatoid lung disease with rheumatoid arthritis of unspecified shoulder
- M05.121Rheumatoid lung disease with rheumatoid arthritis of right elbow
- M05.122Rheumatoid lung disease with rheumatoid arthritis of left elbow
- M05.129Rheumatoid lung disease with rheumatoid arthritis of unspecified elbow
- M05.131Rheumatoid lung disease with rheumatoid arthritis of right wrist
- M05.132Rheumatoid lung disease with rheumatoid arthritis of left wrist
- M05.139Rheumatoid lung disease with rheumatoid arthritis of unspecified wrist
- M05.141Rheumatoid lung disease with rheumatoid arthritis of right hand
- M05.142Rheumatoid lung disease with rheumatoid arthritis of left hand
- M05.149Rheumatoid lung disease with rheumatoid arthritis of unspecified hand
- M05.151Rheumatoid lung disease with rheumatoid arthritis of right hip
- M05.152Rheumatoid lung disease with rheumatoid arthritis of left hip
- M05.159Rheumatoid lung disease with rheumatoid arthritis of unspecified hip
- M05.161Rheumatoid lung disease with rheumatoid arthritis of right knee
- M05.162Rheumatoid lung disease with rheumatoid arthritis of left knee
- M05.169Rheumatoid lung disease with rheumatoid arthritis of unspecified knee
- M05.171Rheumatoid lung disease with rheumatoid arthritis of right ankle and foot
- M05.172Rheumatoid lung disease with rheumatoid arthritis of left ankle and foot
- M05.179Rheumatoid lung disease with rheumatoid arthritis of unspecified ankle and foot
- M05.19Rheumatoid lung disease with rheumatoid arthritis of multiple sites
- M05.20Rheumatoid vasculitis with rheumatoid arthritis of unspecified site
- M05.211Rheumatoid vasculitis with rheumatoid arthritis of right shoulder
- M05.212Rheumatoid vasculitis with rheumatoid arthritis of left shoulder
- M05.219Rheumatoid vasculitis with rheumatoid arthritis of unspecified shoulder
- M05.221Rheumatoid vasculitis with rheumatoid arthritis of right elbow
- M05.222Rheumatoid vasculitis with rheumatoid arthritis of left elbow
- M05.229Rheumatoid vasculitis with rheumatoid arthritis of unspecified elbow
- M05.231Rheumatoid vasculitis with rheumatoid arthritis of right wrist
- M05.232Rheumatoid vasculitis with rheumatoid arthritis of left wrist
- M05.239Rheumatoid vasculitis with rheumatoid arthritis of unspecified wrist
- M05.241Rheumatoid vasculitis with rheumatoid arthritis of right hand
- M05.242Rheumatoid vasculitis with rheumatoid arthritis of left hand
- M05.249Rheumatoid vasculitis with rheumatoid arthritis of unspecified hand
- M05.251Rheumatoid vasculitis with rheumatoid arthritis of right hip
- M05.252Rheumatoid vasculitis with rheumatoid arthritis of left hip
- M05.259Rheumatoid vasculitis with rheumatoid arthritis of unspecified hip
- M05.261Rheumatoid vasculitis with rheumatoid arthritis of right knee
- M05.262Rheumatoid vasculitis with rheumatoid arthritis of left knee
- M05.269Rheumatoid vasculitis with rheumatoid arthritis of unspecified knee
- M05.271Rheumatoid vasculitis with rheumatoid arthritis of right ankle and foot
- M05.272Rheumatoid vasculitis with rheumatoid arthritis of left ankle and foot
- M05.279Rheumatoid vasculitis with rheumatoid arthritis of unspecified ankle and foot
- M05.29Rheumatoid vasculitis with rheumatoid arthritis of multiple sites
- M05.30Rheumatoid heart disease with rheumatoid arthritis of unspecified site
- M05.311Rheumatoid heart disease with rheumatoid arthritis of right shoulder
- M05.312Rheumatoid heart disease with rheumatoid arthritis of left shoulder
- M05.319Rheumatoid heart disease with rheumatoid arthritis of unspecified shoulder
- M05.321Rheumatoid heart disease with rheumatoid arthritis of right elbow
- M05.322Rheumatoid heart disease with rheumatoid arthritis of left elbow
- M05.329Rheumatoid heart disease with rheumatoid arthritis of unspecified elbow
- M05.331Rheumatoid heart disease with rheumatoid arthritis of right wrist
- M05.332Rheumatoid heart disease with rheumatoid arthritis of left wrist
- M05.339Rheumatoid heart disease with rheumatoid arthritis of unspecified wrist
- M05.341Rheumatoid heart disease with rheumatoid arthritis of right hand
- M05.342Rheumatoid heart disease with rheumatoid arthritis of left hand
- M05.349Rheumatoid heart disease with rheumatoid arthritis of unspecified hand
- M05.351Rheumatoid heart disease with rheumatoid arthritis of right hip
- M05.352Rheumatoid heart disease with rheumatoid arthritis of left hip
- M05.359Rheumatoid heart disease with rheumatoid arthritis of unspecified hip
- M05.361Rheumatoid heart disease with rheumatoid arthritis of right knee
- M05.362Rheumatoid heart disease with rheumatoid arthritis of left knee
- M05.369Rheumatoid heart disease with rheumatoid arthritis of unspecified knee
- M05.371Rheumatoid heart disease with rheumatoid arthritis of right ankle and foot
- M05.372Rheumatoid heart disease with rheumatoid arthritis of left ankle and foot
- M05.379Rheumatoid heart disease with rheumatoid arthritis of unspecified ankle and foot
- M05.39Rheumatoid heart disease with rheumatoid arthritis of multiple sites
- M05.40Rheumatoid myopathy with rheumatoid arthritis of unspecified site
- M05.411Rheumatoid myopathy with rheumatoid arthritis of right shoulder
- M05.412Rheumatoid myopathy with rheumatoid arthritis of left shoulder
- M05.419Rheumatoid myopathy with rheumatoid arthritis of unspecified shoulder
- M05.421Rheumatoid myopathy with rheumatoid arthritis of right elbow
- M05.422Rheumatoid myopathy with rheumatoid arthritis of left elbow
- M05.429Rheumatoid myopathy with rheumatoid arthritis of unspecified elbow
- M05.431Rheumatoid myopathy with rheumatoid arthritis of right wrist
- M05.432Rheumatoid myopathy with rheumatoid arthritis of left wrist
- M05.439Rheumatoid myopathy with rheumatoid arthritis of unspecified wrist
Frequently asked questions
How many ICD-10-CM codes in Diseases of the musculoskeletal system and connective tissue risk-adjust under CMS-HCC V28?
1208 ICD-10-CM codes in the M00-M99 chapter (Diseases of the musculoskeletal system and connective tissue) map to a CMS-HCC V28 payment category for payment year 2026.
Which CMS-HCC V28 categories do M00-M99 codes map to?
Codes in this chapter map to 10 distinct CMS-HCC V28 categories, most commonly HCC 92 (Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis), HCC 93 (Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders), HCC 94 (Systemic Lupus Erythematosus and Other Specified Systemic Connective Tissue Disorders).
What ICD-10-CM chapter is M00-M99?
M00-M99 is ICD-10-CM Chapter 13, Diseases of the musculoskeletal system and connective tissue, in the FY2026 code set.
Source: FY2026 ICD-10-CM Tabular (CDC/NCHS) and the CMS-HCC v28 PY2026 mapping file.