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M05 Rheumatoid arthritis with rheumatoid factor

ICD-10-CM category M05 sits in Chapter 13 (Diseases of the musculoskeletal system and connective tissue, M00-M99). It contains 211 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

M05.0 Felty's syndromeM05.01 Felty's syndrome, shoulderM05.02 Felty's syndrome, elbowM05.03 Felty's syndrome, wristM05.04 Felty's syndrome, handM05.05 Felty's syndrome, hipM05.06 Felty's syndrome, kneeM05.07 Felty's syndrome, ankle and footM05.1 Rheumatoid lung disease with rheumatoid arthritisM05.11 Rheumatoid lung disease w rheumatoid arthritis of shoulderM05.12 Rheumatoid lung disease with rheumatoid arthritis of elbowM05.13 Rheumatoid lung disease with rheumatoid arthritis of wristM05.14 Rheumatoid lung disease with rheumatoid arthritis of handM05.15 Rheumatoid lung disease with rheumatoid arthritis of hipM05.16 Rheumatoid lung disease with rheumatoid arthritis of kneeM05.17 Rheumatoid lung disease w rheumatoid arthritis of ank/ftM05.2 Rheumatoid vasculitis with rheumatoid arthritisM05.21 Rheumatoid vasculitis with rheumatoid arthritis of shoulderM05.22 Rheumatoid vasculitis with rheumatoid arthritis of elbowM05.23 Rheumatoid vasculitis with rheumatoid arthritis of wristM05.24 Rheumatoid vasculitis with rheumatoid arthritis of handM05.25 Rheumatoid vasculitis with rheumatoid arthritis of hipM05.26 Rheumatoid vasculitis with rheumatoid arthritis of kneeM05.27 Rheumatoid vasculitis w rheumatoid arthritis of ank/ftM05.3 Rheumatoid heart disease with rheumatoid arthritisM05.31 Rheumatoid heart disease w rheumatoid arthritis of shoulderM05.32 Rheumatoid heart disease with rheumatoid arthritis of elbowM05.33 Rheumatoid heart disease with rheumatoid arthritis of wristM05.34 Rheumatoid heart disease with rheumatoid arthritis of handM05.35 Rheumatoid heart disease with rheumatoid arthritis of hipM05.36 Rheumatoid heart disease with rheumatoid arthritis of kneeM05.37 Rheumatoid heart disease w rheumatoid arthritis of ank/ftM05.4 Rheumatoid myopathy with rheumatoid arthritisM05.41 Rheumatoid myopathy with rheumatoid arthritis of shoulderM05.42 Rheumatoid myopathy with rheumatoid arthritis of elbowM05.43 Rheumatoid myopathy with rheumatoid arthritis of wristM05.44 Rheumatoid myopathy with rheumatoid arthritis of handM05.45 Rheumatoid myopathy with rheumatoid arthritis of hipM05.46 Rheumatoid myopathy with rheumatoid arthritis of kneeM05.47 Rheumatoid myopathy w rheumatoid arthritis of ankle and foot

Billable codes in M05

CodeDescription
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
M05.441Rheumatoid myopathy with rheumatoid arthritis of right hand
M05.442Rheumatoid myopathy with rheumatoid arthritis of left hand
M05.449Rheumatoid myopathy with rheumatoid arthritis of unspecified hand
M05.451Rheumatoid myopathy with rheumatoid arthritis of right hip
M05.452Rheumatoid myopathy with rheumatoid arthritis of left hip
M05.459Rheumatoid myopathy with rheumatoid arthritis of unspecified hip
M05.461Rheumatoid myopathy with rheumatoid arthritis of right knee
M05.462Rheumatoid myopathy with rheumatoid arthritis of left knee
M05.469Rheumatoid myopathy with rheumatoid arthritis of unspecified knee
M05.471Rheumatoid myopathy with rheumatoid arthritis of right ankle and foot
M05.472Rheumatoid myopathy with rheumatoid arthritis of left ankle and foot
M05.479Rheumatoid myopathy with rheumatoid arthritis of unspecified ankle and foot
M05.49Rheumatoid myopathy with rheumatoid arthritis of multiple sites
M05.50Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified site
M05.511Rheumatoid polyneuropathy with rheumatoid arthritis of right shoulder
M05.512Rheumatoid polyneuropathy with rheumatoid arthritis of left shoulder
M05.519Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified shoulder
M05.521Rheumatoid polyneuropathy with rheumatoid arthritis of right elbow
M05.522Rheumatoid polyneuropathy with rheumatoid arthritis of left elbow
M05.529Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified elbow
M05.531Rheumatoid polyneuropathy with rheumatoid arthritis of right wrist
M05.532Rheumatoid polyneuropathy with rheumatoid arthritis of left wrist
M05.539Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified wrist
M05.541Rheumatoid polyneuropathy with rheumatoid arthritis of right hand
M05.542Rheumatoid polyneuropathy with rheumatoid arthritis of left hand
M05.549Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified hand
M05.551Rheumatoid polyneuropathy with rheumatoid arthritis of right hip
M05.552Rheumatoid polyneuropathy with rheumatoid arthritis of left hip
M05.559Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified hip
M05.561Rheumatoid polyneuropathy with rheumatoid arthritis of right knee
M05.562Rheumatoid polyneuropathy with rheumatoid arthritis of left knee
M05.569Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified knee
M05.571Rheumatoid polyneuropathy with rheumatoid arthritis of right ankle and foot
M05.572Rheumatoid polyneuropathy with rheumatoid arthritis of left ankle and foot
M05.579Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified ankle and foot
M05.59Rheumatoid polyneuropathy with rheumatoid arthritis of multiple sites
M05.60Rheumatoid arthritis of unspecified site with involvement of other organs and systems
M05.611Rheumatoid arthritis of right shoulder with involvement of other organs and systems
M05.612Rheumatoid arthritis of left shoulder with involvement of other organs and systems
M05.619Rheumatoid arthritis of unspecified shoulder with involvement of other organs and systems
M05.621Rheumatoid arthritis of right elbow with involvement of other organs and systems
M05.622Rheumatoid arthritis of left elbow with involvement of other organs and systems
M05.629Rheumatoid arthritis of unspecified elbow with involvement of other organs and systems
M05.631Rheumatoid arthritis of right wrist with involvement of other organs and systems
M05.632Rheumatoid arthritis of left wrist with involvement of other organs and systems
M05.639Rheumatoid arthritis of unspecified wrist with involvement of other organs and systems
M05.641Rheumatoid arthritis of right hand with involvement of other organs and systems
M05.642Rheumatoid arthritis of left hand with involvement of other organs and systems
M05.649Rheumatoid arthritis of unspecified hand with involvement of other organs and systems
M05.651Rheumatoid arthritis of right hip with involvement of other organs and systems
M05.652Rheumatoid arthritis of left hip with involvement of other organs and systems
M05.659Rheumatoid arthritis of unspecified hip with involvement of other organs and systems
M05.661Rheumatoid arthritis of right knee with involvement of other organs and systems
M05.662Rheumatoid arthritis of left knee with involvement of other organs and systems
M05.669Rheumatoid arthritis of unspecified knee with involvement of other organs and systems
M05.671Rheumatoid arthritis of right ankle and foot with involvement of other organs and systems
M05.672Rheumatoid arthritis of left ankle and foot with involvement of other organs and systems
M05.679Rheumatoid arthritis of unspecified ankle and foot with involvement of other organs and systems
M05.69Rheumatoid arthritis of multiple sites with involvement of other organs and systems
M05.70Rheumatoid arthritis with rheumatoid factor of unspecified site without organ or systems involvement
M05.711Rheumatoid arthritis with rheumatoid factor of right shoulder without organ or systems involvement
M05.712Rheumatoid arthritis with rheumatoid factor of left shoulder without organ or systems involvement
M05.719Rheumatoid arthritis with rheumatoid factor of unspecified shoulder without organ or systems involvement
M05.721Rheumatoid arthritis with rheumatoid factor of right elbow without organ or systems involvement
M05.722Rheumatoid arthritis with rheumatoid factor of left elbow without organ or systems involvement
M05.729Rheumatoid arthritis with rheumatoid factor of unspecified elbow without organ or systems involvement
M05.731Rheumatoid arthritis with rheumatoid factor of right wrist without organ or systems involvement
M05.732Rheumatoid arthritis with rheumatoid factor of left wrist without organ or systems involvement
M05.739Rheumatoid arthritis with rheumatoid factor of unspecified wrist without organ or systems involvement
M05.741Rheumatoid arthritis with rheumatoid factor of right hand without organ or systems involvement
M05.742Rheumatoid arthritis with rheumatoid factor of left hand without organ or systems involvement
M05.749Rheumatoid arthritis with rheumatoid factor of unspecified hand without organ or systems involvement
M05.751Rheumatoid arthritis with rheumatoid factor of right hip without organ or systems involvement
M05.752Rheumatoid arthritis with rheumatoid factor of left hip without organ or systems involvement
M05.759Rheumatoid arthritis with rheumatoid factor of unspecified hip without organ or systems involvement
M05.761Rheumatoid arthritis with rheumatoid factor of right knee without organ or systems involvement
M05.762Rheumatoid arthritis with rheumatoid factor of left knee without organ or systems involvement
M05.769Rheumatoid arthritis with rheumatoid factor of unspecified knee without organ or systems involvement
M05.771Rheumatoid arthritis with rheumatoid factor of right ankle and foot without organ or systems involvement
M05.772Rheumatoid arthritis with rheumatoid factor of left ankle and foot without organ or systems involvement
M05.779Rheumatoid arthritis with rheumatoid factor of unspecified ankle and foot without organ or systems involvement
M05.79Rheumatoid arthritis with rheumatoid factor of multiple sites without organ or systems involvement
M05.7ARheumatoid arthritis with rheumatoid factor of other specified site without organ or systems involvement
M05.80Other rheumatoid arthritis with rheumatoid factor of unspecified site
M05.811Other rheumatoid arthritis with rheumatoid factor of right shoulder
M05.812Other rheumatoid arthritis with rheumatoid factor of left shoulder
M05.819Other rheumatoid arthritis with rheumatoid factor of unspecified shoulder
M05.821Other rheumatoid arthritis with rheumatoid factor of right elbow
M05.822Other rheumatoid arthritis with rheumatoid factor of left elbow
M05.829Other rheumatoid arthritis with rheumatoid factor of unspecified elbow
M05.831Other rheumatoid arthritis with rheumatoid factor of right wrist
M05.832Other rheumatoid arthritis with rheumatoid factor of left wrist
M05.839Other rheumatoid arthritis with rheumatoid factor of unspecified wrist
M05.841Other rheumatoid arthritis with rheumatoid factor of right hand
M05.842Other rheumatoid arthritis with rheumatoid factor of left hand
M05.849Other rheumatoid arthritis with rheumatoid factor of unspecified hand
M05.851Other rheumatoid arthritis with rheumatoid factor of right hip
M05.852Other rheumatoid arthritis with rheumatoid factor of left hip
M05.859Other rheumatoid arthritis with rheumatoid factor of unspecified hip
M05.861Other rheumatoid arthritis with rheumatoid factor of right knee
M05.862Other rheumatoid arthritis with rheumatoid factor of left knee
M05.869Other rheumatoid arthritis with rheumatoid factor of unspecified knee
M05.871Other rheumatoid arthritis with rheumatoid factor of right ankle and foot
M05.872Other rheumatoid arthritis with rheumatoid factor of left ankle and foot
M05.879Other rheumatoid arthritis with rheumatoid factor of unspecified ankle and foot
M05.89Other rheumatoid arthritis with rheumatoid factor of multiple sites
M05.8AOther rheumatoid arthritis with rheumatoid factor of other specified site
M05.9Rheumatoid arthritis with rheumatoid factor, unspecified
M05.AAbnormal rheumatoid factor and anti-citrullinated protein antibody with rheumatoid arthritis

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