ICD-10 · PDGM grouping
M08 Juvenile arthritis
All 125 codes in the M08 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in family
125
Can lead a claim
85
Cannot lead a claim
40
What CMS assigns to M08
85 of the 125 codes group to Musculoskeletal Rehabilitation; 40 are assigned no clinical group. None of the 125 is assigned a comorbidity subgroup. 85 of the 125 can lead a claim.
Every code in M08
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| M08.0 Unspecified juvenile rheumatoid arthritis | ||||
| M08.00 | Unspecified juvenile rheumatoid arthritis of unspecified siteCMS: Unsp juvenile rheumatoid arthritis of unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.01 Unspecified juvenile rheumatoid arthritis, shoulder | ||||
| M08.011 | Unspecified juvenile rheumatoid arthritis, right shoulder | Can lead a claim | E | None |
| M08.012 | Unspecified juvenile rheumatoid arthritis, left shoulder | Can lead a claim | E | None |
| M08.019 | Unspecified juvenile rheumatoid arthritis, unspecified shoulderCMS: Unsp juvenile rheumatoid arthritis, unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.02 Unspecified juvenile rheumatoid arthritis of elbow | ||||
| M08.021 | Unspecified juvenile rheumatoid arthritis, right elbow | Can lead a claim | E | None |
| M08.022 | Unspecified juvenile rheumatoid arthritis, left elbow | Can lead a claim | E | None |
| M08.029 | Unspecified juvenile rheumatoid arthritis, unspecified elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.03 Unspecified juvenile rheumatoid arthritis, wrist | ||||
| M08.031 | Unspecified juvenile rheumatoid arthritis, right wrist | Can lead a claim | E | None |
| M08.032 | Unspecified juvenile rheumatoid arthritis, left wrist | Can lead a claim | E | None |
| M08.039 | Unspecified juvenile rheumatoid arthritis, unspecified wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.04 Unspecified juvenile rheumatoid arthritis, hand | ||||
| M08.041 | Unspecified juvenile rheumatoid arthritis, right hand | Can lead a claim | E | None |
| M08.042 | Unspecified juvenile rheumatoid arthritis, left hand | Can lead a claim | E | None |
| M08.049 | Unspecified juvenile rheumatoid arthritis, unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.05 Unspecified juvenile rheumatoid arthritis, hip | ||||
| M08.051 | Unspecified juvenile rheumatoid arthritis, right hip | Can lead a claim | E | None |
| M08.052 | Unspecified juvenile rheumatoid arthritis, left hip | Can lead a claim | E | None |
| M08.059 | Unspecified juvenile rheumatoid arthritis, unspecified hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.06 Unspecified juvenile rheumatoid arthritis, knee | ||||
| M08.061 | Unspecified juvenile rheumatoid arthritis, right knee | Can lead a claim | E | None |
| M08.062 | Unspecified juvenile rheumatoid arthritis, left knee | Can lead a claim | E | None |
| M08.069 | Unspecified juvenile rheumatoid arthritis, unspecified knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.07 Unspecified juvenile rheumatoid arthritis, ankle and foot | ||||
| M08.071 | Unspecified juvenile rheumatoid arthritis, right ankle and footCMS: Unsp juvenile rheumatoid arthritis, right ankle and foot | Can lead a claim | E | None |
| M08.072 | Unspecified juvenile rheumatoid arthritis, left ankle and footCMS: Unsp juvenile rheumatoid arthritis, left ankle and foot | Can lead a claim | E | None |
| M08.079 | Unspecified juvenile rheumatoid arthritis, unspecified ankle and footCMS: Unsp juvenile rheumatoid arthritis, unsp ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.08 | Unspecified juvenile rheumatoid arthritis, vertebrae | Can lead a claim | E | None |
| M08.09 | Unspecified juvenile rheumatoid arthritis, multiple sites | Can lead a claim | E | None |
| M08.0A | Unspecified juvenile rheumatoid arthritis, other specified siteCMS: Unspecified juvenile rheumatoid arthritis, oth site | Can lead a claim | E | None |
| M08.1 | Juvenile ankylosing spondylitis | Can lead a claim | E | None |
| M08.2 Juvenile rheumatoid arthritis with systemic onset | ||||
| M08.20 | Juvenile rheumatoid arthritis with systemic onset, unspecified siteCMS: Juvenile rheumatoid arthritis with systemic onset, unsp site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.21 Juvenile rheumatoid arthritis with systemic onset, shoulder | ||||
| M08.211 | Juvenile rheumatoid arthritis with systemic onset, right shoulderCMS: Juvenile rheumatoid arthritis w systemic onset, r shoulder | Can lead a claim | E | None |
| M08.212 | Juvenile rheumatoid arthritis with systemic onset, left shoulderCMS: Juvenile rheumatoid arthritis w systemic onset, l shoulder | Can lead a claim | E | None |
| M08.219 | Juvenile rheumatoid arthritis with systemic onset, unspecified shoulderCMS: Juvenile rheu arthritis w systemic onset, unsp shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.22 Juvenile rheumatoid arthritis with systemic onset, elbow | ||||
| M08.221 | Juvenile rheumatoid arthritis with systemic onset, right elbowCMS: Juvenile rheumatoid arthritis w systemic onset, right elbow | Can lead a claim | E | None |
| M08.222 | Juvenile rheumatoid arthritis with systemic onset, left elbowCMS: Juvenile rheumatoid arthritis w systemic onset, left elbow | Can lead a claim | E | None |
| M08.229 | Juvenile rheumatoid arthritis with systemic onset, unspecified elbowCMS: Juvenile rheumatoid arthritis w systemic onset, unsp elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.23 Juvenile rheumatoid arthritis with systemic onset, wrist | ||||
| M08.231 | Juvenile rheumatoid arthritis with systemic onset, right wristCMS: Juvenile rheumatoid arthritis w systemic onset, right wrist | Can lead a claim | E | None |
| M08.232 | Juvenile rheumatoid arthritis with systemic onset, left wristCMS: Juvenile rheumatoid arthritis w systemic onset, left wrist | Can lead a claim | E | None |
| M08.239 | Juvenile rheumatoid arthritis with systemic onset, unspecified wristCMS: Juvenile rheumatoid arthritis w systemic onset, unsp wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.24 Juvenile rheumatoid arthritis with systemic onset, hand | ||||
| M08.241 | Juvenile rheumatoid arthritis with systemic onset, right handCMS: Juvenile rheumatoid arthritis w systemic onset, right hand | Can lead a claim | E | None |
| M08.242 | Juvenile rheumatoid arthritis with systemic onset, left hand | Can lead a claim | E | None |
| M08.249 | Juvenile rheumatoid arthritis with systemic onset, unspecified handCMS: Juvenile rheumatoid arthritis with systemic onset, unsp hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.25 Juvenile rheumatoid arthritis with systemic onset, hip | ||||
| M08.251 | Juvenile rheumatoid arthritis with systemic onset, right hip | Can lead a claim | E | None |
| M08.252 | Juvenile rheumatoid arthritis with systemic onset, left hip | Can lead a claim | E | None |
| M08.259 | Juvenile rheumatoid arthritis with systemic onset, unspecified hipCMS: Juvenile rheumatoid arthritis with systemic onset, unsp hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.26 Juvenile rheumatoid arthritis with systemic onset, knee | ||||
| M08.261 | Juvenile rheumatoid arthritis with systemic onset, right kneeCMS: Juvenile rheumatoid arthritis w systemic onset, right knee | Can lead a claim | E | None |
| M08.262 | Juvenile rheumatoid arthritis with systemic onset, left knee | Can lead a claim | E | None |
| M08.269 | Juvenile rheumatoid arthritis with systemic onset, unspecified kneeCMS: Juvenile rheumatoid arthritis with systemic onset, unsp knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.27 Juvenile rheumatoid arthritis with systemic onset, ankle and foot | ||||
| M08.271 | Juvenile rheumatoid arthritis with systemic onset, right ankle and footCMS: Juvenile rheumatoid arthritis w systemic onset, right ank/ft | Can lead a claim | E | None |
| M08.272 | Juvenile rheumatoid arthritis with systemic onset, left ankle and footCMS: Juvenile rheumatoid arthritis w systemic onset, left ank/ft | Can lead a claim | E | None |
| M08.279 | Juvenile rheumatoid arthritis with systemic onset, unspecified ankle and footCMS: Juvenile rheumatoid arthritis w systemic onset, unsp ank/ft | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.28 | Juvenile rheumatoid arthritis with systemic onset, vertebrae | Can lead a claim | E | None |
| M08.29 | Juvenile rheumatoid arthritis with systemic onset, multiple sitesCMS: Juvenile rheu arthritis w systemic onset, multiple sites | Can lead a claim | E | None |
| M08.2A | Juvenile rheumatoid arthritis with systemic onset, other specified siteCMS: Juvenile rheumatoid arthritis with systemic onset, oth site | Can lead a claim | E | None |
| M08.3 | Juvenile rheumatoid polyarthritis (seronegative) | Can lead a claim | E | None |
| M08.4 Pauciarticular juvenile rheumatoid arthritis | ||||
| M08.40 | Pauciarticular juvenile rheumatoid arthritis, unspecified siteCMS: Pauciarticular juvenile rheumatoid arthritis, unsp site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.41 Pauciarticular juvenile rheumatoid arthritis, shoulder | ||||
| M08.411 | Pauciarticular juvenile rheumatoid arthritis, right shoulder | Can lead a claim | E | None |
| M08.412 | Pauciarticular juvenile rheumatoid arthritis, left shoulder | Can lead a claim | E | None |
| M08.419 | Pauciarticular juvenile rheumatoid arthritis, unspecified shoulderCMS: Pauciarticular juvenile rheumatoid arthritis, unsp shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.42 Pauciarticular juvenile rheumatoid arthritis, elbow | ||||
| M08.421 | Pauciarticular juvenile rheumatoid arthritis, right elbow | Can lead a claim | E | None |
| M08.422 | Pauciarticular juvenile rheumatoid arthritis, left elbow | Can lead a claim | E | None |
| M08.429 | Pauciarticular juvenile rheumatoid arthritis, unspecified elbowCMS: Pauciarticular juvenile rheumatoid arthritis, unsp elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.43 Pauciarticular juvenile rheumatoid arthritis, wrist | ||||
| M08.431 | Pauciarticular juvenile rheumatoid arthritis, right wrist | Can lead a claim | E | None |
| M08.432 | Pauciarticular juvenile rheumatoid arthritis, left wrist | Can lead a claim | E | None |
| M08.439 | Pauciarticular juvenile rheumatoid arthritis, unspecified wristCMS: Pauciarticular juvenile rheumatoid arthritis, unsp wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.44 Pauciarticular juvenile rheumatoid arthritis, hand | ||||
| M08.441 | Pauciarticular juvenile rheumatoid arthritis, right hand | Can lead a claim | E | None |
| M08.442 | Pauciarticular juvenile rheumatoid arthritis, left hand | Can lead a claim | E | None |
| M08.449 | Pauciarticular juvenile rheumatoid arthritis, unspecified handCMS: Pauciarticular juvenile rheumatoid arthritis, unsp hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.45 Pauciarticular juvenile rheumatoid arthritis, hip | ||||
| M08.451 | Pauciarticular juvenile rheumatoid arthritis, right hip | Can lead a claim | E | None |
| M08.452 | Pauciarticular juvenile rheumatoid arthritis, left hip | Can lead a claim | E | None |
| M08.459 | Pauciarticular juvenile rheumatoid arthritis, unspecified hipCMS: Pauciarticular juvenile rheumatoid arthritis, unsp hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.46 Pauciarticular juvenile rheumatoid arthritis, knee | ||||
| M08.461 | Pauciarticular juvenile rheumatoid arthritis, right knee | Can lead a claim | E | None |
| M08.462 | Pauciarticular juvenile rheumatoid arthritis, left knee | Can lead a claim | E | None |
| M08.469 | Pauciarticular juvenile rheumatoid arthritis, unspecified kneeCMS: Pauciarticular juvenile rheumatoid arthritis, unsp knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.47 Pauciarticular juvenile rheumatoid arthritis, ankle and foot | ||||
| M08.471 | Pauciarticular juvenile rheumatoid arthritis, right ankle and footCMS: Pauciarticular juvenile rheumatoid arthritis, right ank/ft | Can lead a claim | E | None |
| M08.472 | Pauciarticular juvenile rheumatoid arthritis, left ankle and footCMS: Pauciarticular juvenile rheumatoid arthritis, left ank/ft | Can lead a claim | E | None |
| M08.479 | Pauciarticular juvenile rheumatoid arthritis, unspecified ankle and footCMS: Pauciarticular juvenile rheumatoid arthritis, unsp ank/ft | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.48 | Pauciarticular juvenile rheumatoid arthritis, vertebrae | Can lead a claim | E | None |
| M08.4A | Pauciarticular juvenile rheumatoid arthritis, other specified siteCMS: Pauciarticular juvenile rheumatoid arthritis, oth site | Can lead a claim | E | None |
| M08.8 Other juvenile arthritis | ||||
| M08.80 | Other juvenile arthritis, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.81 Other juvenile arthritis, shoulder | ||||
| M08.811 | Other juvenile arthritis, right shoulder | Can lead a claim | E | None |
| M08.812 | Other juvenile arthritis, left shoulder | Can lead a claim | E | None |
| M08.819 | Other juvenile arthritis, unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.82 Other juvenile arthritis, elbow | ||||
| M08.821 | Other juvenile arthritis, right elbow | Can lead a claim | E | None |
| M08.822 | Other juvenile arthritis, left elbow | Can lead a claim | E | None |
| M08.829 | Other juvenile arthritis, unspecified elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.83 Other juvenile arthritis, wrist | ||||
| M08.831 | Other juvenile arthritis, right wrist | Can lead a claim | E | None |
| M08.832 | Other juvenile arthritis, left wrist | Can lead a claim | E | None |
| M08.839 | Other juvenile arthritis, unspecified wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.84 Other juvenile arthritis, hand | ||||
| M08.841 | Other juvenile arthritis, right hand | Can lead a claim | E | None |
| M08.842 | Other juvenile arthritis, left hand | Can lead a claim | E | None |
| M08.849 | Other juvenile arthritis, unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.85 Other juvenile arthritis, hip | ||||
| M08.851 | Other juvenile arthritis, right hip | Can lead a claim | E | None |
| M08.852 | Other juvenile arthritis, left hip | Can lead a claim | E | None |
| M08.859 | Other juvenile arthritis, unspecified hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.86 Other juvenile arthritis, knee | ||||
| M08.861 | Other juvenile arthritis, right knee | Can lead a claim | E | None |
| M08.862 | Other juvenile arthritis, left knee | Can lead a claim | E | None |
| M08.869 | Other juvenile arthritis, unspecified knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.87 Other juvenile arthritis, ankle and foot | ||||
| M08.871 | Other juvenile arthritis, right ankle and foot | Can lead a claim | E | None |
| M08.872 | Other juvenile arthritis, left ankle and foot | Can lead a claim | E | None |
| M08.879 | Other juvenile arthritis, unspecified ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.88 | Other juvenile arthritis, other specified site | Can lead a claim | E | None |
| M08.89 | Other juvenile arthritis, multiple sites | Can lead a claim | E | None |
| M08.9 Juvenile arthritis, unspecified | ||||
| M08.90 | Juvenile arthritis, unspecified, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.91 Juvenile arthritis, unspecified, shoulder | ||||
| M08.911 | Juvenile arthritis, unspecified, right shoulder | Can lead a claim | E | None |
| M08.912 | Juvenile arthritis, unspecified, left shoulder | Can lead a claim | E | None |
| M08.919 | Juvenile arthritis, unspecified, unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.92 Juvenile arthritis, unspecified, elbow | ||||
| M08.921 | Juvenile arthritis, unspecified, right elbow | Can lead a claim | E | None |
| M08.922 | Juvenile arthritis, unspecified, left elbow | Can lead a claim | E | None |
| M08.929 | Juvenile arthritis, unspecified, unspecified elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.93 Juvenile arthritis, unspecified, wrist | ||||
| M08.931 | Juvenile arthritis, unspecified, right wrist | Can lead a claim | E | None |
| M08.932 | Juvenile arthritis, unspecified, left wrist | Can lead a claim | E | None |
| M08.939 | Juvenile arthritis, unspecified, unspecified wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.94 Juvenile arthritis, unspecified, hand | ||||
| M08.941 | Juvenile arthritis, unspecified, right hand | Can lead a claim | E | None |
| M08.942 | Juvenile arthritis, unspecified, left hand | Can lead a claim | E | None |
| M08.949 | Juvenile arthritis, unspecified, unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.95 Juvenile arthritis, unspecified, hip | ||||
| M08.951 | Juvenile arthritis, unspecified, right hip | Can lead a claim | E | None |
| M08.952 | Juvenile arthritis, unspecified, left hip | Can lead a claim | E | None |
| M08.959 | Juvenile arthritis, unspecified, unspecified hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.96 Juvenile arthritis, unspecified, knee | ||||
| M08.961 | Juvenile arthritis, unspecified, right knee | Can lead a claim | E | None |
| M08.962 | Juvenile arthritis, unspecified, left knee | Can lead a claim | E | None |
| M08.969 | Juvenile arthritis, unspecified, unspecified knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.97 Juvenile arthritis, unspecified, ankle and foot | ||||
| M08.971 | Juvenile arthritis, unspecified, right ankle and foot | Can lead a claim | E | None |
| M08.972 | Juvenile arthritis, unspecified, left ankle and foot | Can lead a claim | E | None |
| M08.979 | Juvenile arthritis, unspecified, unspecified ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M08.98 | Juvenile arthritis, unspecified, vertebrae | Can lead a claim | E | None |
| M08.99 | Juvenile arthritis, unspecified, multiple sites | Can lead a claim | E | None |
| M08.9A | Juvenile arthritis, unspecified, other specified site | Can lead a claim | E | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue