ICD-10 · PDGM grouping
M06 Other rheumatoid arthritis
All 101 codes in the M06 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
101
Can lead a claim
68
Cannot lead a claim
33
What CMS assigns to M06
68 of the 101 codes group to Musculoskeletal Rehabilitation; 33 are assigned no clinical group. 66 of the 101 count toward the Rheumatoid Arthritis comorbidity subgroup; 35 are assigned none. 68 of the 101 can lead a claim.
- Rheumatoid Arthritis
Every code in M06
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 |
|---|---|---|---|---|
| M06.0 Rheumatoid arthritis without rheumatoid factor | ||||
| M06.00 | Rheumatoid arthritis without rheumatoid factor, unspecified siteCMS: Rheumatoid arthritis without rheumatoid factor, unsp site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.01 Rheumatoid arthritis without rheumatoid factor, shoulder | ||||
| M06.011 | Rheumatoid arthritis without rheumatoid factor, right shoulderCMS: Rheumatoid arthritis w/o rheumatoid factor, right shoulder | Can lead a claim | E | Rheumatoid Arthritis |
| M06.012 | Rheumatoid arthritis without rheumatoid factor, left shoulderCMS: Rheumatoid arthritis w/o rheumatoid factor, left shoulder | Can lead a claim | E | Rheumatoid Arthritis |
| M06.019 | Rheumatoid arthritis without rheumatoid factor, unspecified shoulderCMS: Rheumatoid arthritis w/o rheumatoid factor, unsp shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.02 Rheumatoid arthritis without rheumatoid factor, elbow | ||||
| M06.021 | Rheumatoid arthritis without rheumatoid factor, right elbow | Can lead a claim | E | Rheumatoid Arthritis |
| M06.022 | Rheumatoid arthritis without rheumatoid factor, left elbow | Can lead a claim | E | Rheumatoid Arthritis |
| M06.029 | Rheumatoid arthritis without rheumatoid factor, unspecified elbowCMS: Rheumatoid arthritis without rheumatoid factor, unsp elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.03 Rheumatoid arthritis without rheumatoid factor, wrist | ||||
| M06.031 | Rheumatoid arthritis without rheumatoid factor, right wrist | Can lead a claim | E | Rheumatoid Arthritis |
| M06.032 | Rheumatoid arthritis without rheumatoid factor, left wrist | Can lead a claim | E | Rheumatoid Arthritis |
| M06.039 | Rheumatoid arthritis without rheumatoid factor, unspecified wristCMS: Rheumatoid arthritis without rheumatoid factor, unsp wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.04 Rheumatoid arthritis without rheumatoid factor, hand | ||||
| M06.041 | Rheumatoid arthritis without rheumatoid factor, right hand | Can lead a claim | E | Rheumatoid Arthritis |
| M06.042 | Rheumatoid arthritis without rheumatoid factor, left hand | Can lead a claim | E | Rheumatoid Arthritis |
| M06.049 | Rheumatoid arthritis without rheumatoid factor, unspecified handCMS: Rheumatoid arthritis without rheumatoid factor, unsp hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.05 Rheumatoid arthritis without rheumatoid factor, hip | ||||
| M06.051 | Rheumatoid arthritis without rheumatoid factor, right hip | Can lead a claim | E | Rheumatoid Arthritis |
| M06.052 | Rheumatoid arthritis without rheumatoid factor, left hip | Can lead a claim | E | Rheumatoid Arthritis |
| M06.059 | Rheumatoid arthritis without rheumatoid factor, unspecified hipCMS: Rheumatoid arthritis without rheumatoid factor, unsp hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.06 Rheumatoid arthritis without rheumatoid factor, knee | ||||
| M06.061 | Rheumatoid arthritis without rheumatoid factor, right knee | Can lead a claim | E | Rheumatoid Arthritis |
| M06.062 | Rheumatoid arthritis without rheumatoid factor, left knee | Can lead a claim | E | Rheumatoid Arthritis |
| M06.069 | Rheumatoid arthritis without rheumatoid factor, unspecified kneeCMS: Rheumatoid arthritis without rheumatoid factor, unsp knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.07 Rheumatoid arthritis without rheumatoid factor, ankle and foot | ||||
| M06.071 | Rheumatoid arthritis without rheumatoid factor, right ankle and footCMS: Rheumatoid arthritis w/o rheumatoid factor, right ank/ft | Can lead a claim | E | Rheumatoid Arthritis |
| M06.072 | Rheumatoid arthritis without rheumatoid factor, left ankle and footCMS: Rheumatoid arthritis w/o rheumatoid factor, left ank/ft | Can lead a claim | E | Rheumatoid Arthritis |
| M06.079 | Rheumatoid arthritis without rheumatoid factor, unspecified ankle and footCMS: Rheumatoid arthritis w/o rheumatoid factor, unsp ank/ft | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.08 | Rheumatoid arthritis without rheumatoid factor, vertebrae | Can lead a claim | E | Rheumatoid Arthritis |
| M06.09 | Rheumatoid arthritis without rheumatoid factor, multiple sitesCMS: Rheumatoid arthritis w/o rheumatoid factor, multiple sites | Can lead a claim | E | Rheumatoid Arthritis |
| M06.0A | Rheumatoid arthritis without rheumatoid factor, other specified siteCMS: Rheumatoid arthritis without rheumatoid factor, oth site | Can lead a claim | E | None |
| M06.1 | Adult-onset Still's disease | Can lead a claim | E | Rheumatoid Arthritis |
| M06.2 Rheumatoid bursitis | ||||
| M06.20 | Rheumatoid bursitis, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.21 Rheumatoid bursitis, shoulder | ||||
| M06.211 | Rheumatoid bursitis, right shoulder | Can lead a claim | E | Rheumatoid Arthritis |
| M06.212 | Rheumatoid bursitis, left shoulder | Can lead a claim | E | Rheumatoid Arthritis |
| M06.219 | Rheumatoid bursitis, unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.22 Rheumatoid bursitis, elbow | ||||
| M06.221 | Rheumatoid bursitis, right elbow | Can lead a claim | E | Rheumatoid Arthritis |
| M06.222 | Rheumatoid bursitis, left elbow | Can lead a claim | E | Rheumatoid Arthritis |
| M06.229 | Rheumatoid bursitis, unspecified elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.23 Rheumatoid bursitis, wrist | ||||
| M06.231 | Rheumatoid bursitis, right wrist | Can lead a claim | E | Rheumatoid Arthritis |
| M06.232 | Rheumatoid bursitis, left wrist | Can lead a claim | E | Rheumatoid Arthritis |
| M06.239 | Rheumatoid bursitis, unspecified wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.24 Rheumatoid bursitis, hand | ||||
| M06.241 | Rheumatoid bursitis, right hand | Can lead a claim | E | Rheumatoid Arthritis |
| M06.242 | Rheumatoid bursitis, left hand | Can lead a claim | E | Rheumatoid Arthritis |
| M06.249 | Rheumatoid bursitis, unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.25 Rheumatoid bursitis, hip | ||||
| M06.251 | Rheumatoid bursitis, right hip | Can lead a claim | E | Rheumatoid Arthritis |
| M06.252 | Rheumatoid bursitis, left hip | Can lead a claim | E | Rheumatoid Arthritis |
| M06.259 | Rheumatoid bursitis, unspecified hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.26 Rheumatoid bursitis, knee | ||||
| M06.261 | Rheumatoid bursitis, right knee | Can lead a claim | E | Rheumatoid Arthritis |
| M06.262 | Rheumatoid bursitis, left knee | Can lead a claim | E | Rheumatoid Arthritis |
| M06.269 | Rheumatoid bursitis, unspecified knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.27 Rheumatoid bursitis, ankle and foot | ||||
| M06.271 | Rheumatoid bursitis, right ankle and foot | Can lead a claim | E | Rheumatoid Arthritis |
| M06.272 | Rheumatoid bursitis, left ankle and foot | Can lead a claim | E | Rheumatoid Arthritis |
| M06.279 | Rheumatoid bursitis, unspecified ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.28 | Rheumatoid bursitis, vertebrae | Can lead a claim | E | Rheumatoid Arthritis |
| M06.29 | Rheumatoid bursitis, multiple sites | Can lead a claim | E | Rheumatoid Arthritis |
| M06.3 Rheumatoid nodule | ||||
| M06.30 | Rheumatoid nodule, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.31 Rheumatoid nodule, shoulder | ||||
| M06.311 | Rheumatoid nodule, right shoulder | Can lead a claim | E | Rheumatoid Arthritis |
| M06.312 | Rheumatoid nodule, left shoulder | Can lead a claim | E | Rheumatoid Arthritis |
| M06.319 | Rheumatoid nodule, unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.32 Rheumatoid nodule, elbow | ||||
| M06.321 | Rheumatoid nodule, right elbow | Can lead a claim | E | Rheumatoid Arthritis |
| M06.322 | Rheumatoid nodule, left elbow | Can lead a claim | E | Rheumatoid Arthritis |
| M06.329 | Rheumatoid nodule, unspecified elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.33 Rheumatoid nodule, wrist | ||||
| M06.331 | Rheumatoid nodule, right wrist | Can lead a claim | E | Rheumatoid Arthritis |
| M06.332 | Rheumatoid nodule, left wrist | Can lead a claim | E | Rheumatoid Arthritis |
| M06.339 | Rheumatoid nodule, unspecified wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.34 Rheumatoid nodule, hand | ||||
| M06.341 | Rheumatoid nodule, right hand | Can lead a claim | E | Rheumatoid Arthritis |
| M06.342 | Rheumatoid nodule, left hand | Can lead a claim | E | Rheumatoid Arthritis |
| M06.349 | Rheumatoid nodule, unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.35 Rheumatoid nodule, hip | ||||
| M06.351 | Rheumatoid nodule, right hip | Can lead a claim | E | Rheumatoid Arthritis |
| M06.352 | Rheumatoid nodule, left hip | Can lead a claim | E | Rheumatoid Arthritis |
| M06.359 | Rheumatoid nodule, unspecified hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.36 Rheumatoid nodule, knee | ||||
| M06.361 | Rheumatoid nodule, right knee | Can lead a claim | E | Rheumatoid Arthritis |
| M06.362 | Rheumatoid nodule, left knee | Can lead a claim | E | Rheumatoid Arthritis |
| M06.369 | Rheumatoid nodule, unspecified knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.37 Rheumatoid nodule, ankle and foot | ||||
| M06.371 | Rheumatoid nodule, right ankle and foot | Can lead a claim | E | Rheumatoid Arthritis |
| M06.372 | Rheumatoid nodule, left ankle and foot | Can lead a claim | E | Rheumatoid Arthritis |
| M06.379 | Rheumatoid nodule, unspecified ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.38 | Rheumatoid nodule, vertebrae | Can lead a claim | E | Rheumatoid Arthritis |
| M06.39 | Rheumatoid nodule, multiple sites | Can lead a claim | E | Rheumatoid Arthritis |
| M06.4 | Inflammatory polyarthropathy | Can lead a claim | E | None |
| M06.8 Other specified rheumatoid arthritis | ||||
| M06.80 | Other specified rheumatoid arthritis, unspecified site | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.81 Other specified rheumatoid arthritis, shoulder | ||||
| M06.811 | Other specified rheumatoid arthritis, right shoulder | Can lead a claim | E | Rheumatoid Arthritis |
| M06.812 | Other specified rheumatoid arthritis, left shoulder | Can lead a claim | E | Rheumatoid Arthritis |
| M06.819 | Other specified rheumatoid arthritis, unspecified shoulder | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.82 Other specified rheumatoid arthritis, elbow | ||||
| M06.821 | Other specified rheumatoid arthritis, right elbow | Can lead a claim | E | Rheumatoid Arthritis |
| M06.822 | Other specified rheumatoid arthritis, left elbow | Can lead a claim | E | Rheumatoid Arthritis |
| M06.829 | Other specified rheumatoid arthritis, unspecified elbow | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.83 Other specified rheumatoid arthritis, wrist | ||||
| M06.831 | Other specified rheumatoid arthritis, right wrist | Can lead a claim | E | Rheumatoid Arthritis |
| M06.832 | Other specified rheumatoid arthritis, left wrist | Can lead a claim | E | Rheumatoid Arthritis |
| M06.839 | Other specified rheumatoid arthritis, unspecified wrist | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.84 Other specified rheumatoid arthritis, hand | ||||
| M06.841 | Other specified rheumatoid arthritis, right hand | Can lead a claim | E | Rheumatoid Arthritis |
| M06.842 | Other specified rheumatoid arthritis, left hand | Can lead a claim | E | Rheumatoid Arthritis |
| M06.849 | Other specified rheumatoid arthritis, unspecified hand | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.85 Other specified rheumatoid arthritis, hip | ||||
| M06.851 | Other specified rheumatoid arthritis, right hip | Can lead a claim | E | Rheumatoid Arthritis |
| M06.852 | Other specified rheumatoid arthritis, left hip | Can lead a claim | E | Rheumatoid Arthritis |
| M06.859 | Other specified rheumatoid arthritis, unspecified hip | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.86 Other specified rheumatoid arthritis, knee | ||||
| M06.861 | Other specified rheumatoid arthritis, right knee | Can lead a claim | E | Rheumatoid Arthritis |
| M06.862 | Other specified rheumatoid arthritis, left knee | Can lead a claim | E | Rheumatoid Arthritis |
| M06.869 | Other specified rheumatoid arthritis, unspecified knee | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.87 Other specified rheumatoid arthritis, ankle and foot | ||||
| M06.871 | Other specified rheumatoid arthritis, right ankle and foot | Can lead a claim | E | Rheumatoid Arthritis |
| M06.872 | Other specified rheumatoid arthritis, left ankle and foot | Can lead a claim | E | Rheumatoid Arthritis |
| M06.879 | Other specified rheumatoid arthritis, unspecified ankle and footCMS: Oth rheumatoid arthritis, unspecified ankle and foot | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| M06.88 | Other specified rheumatoid arthritis, vertebrae | Can lead a claim | E | Rheumatoid Arthritis |
| M06.89 | Other specified rheumatoid arthritis, multiple sites | Can lead a claim | E | Rheumatoid Arthritis |
| M06.8A | Other specified rheumatoid arthritis, other specified site | Can lead a claim | E | None |
| M06.9 | Rheumatoid arthritis, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | Rheumatoid Arthritis |
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.
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