M08.20 — Juvenile rheumatoid arthritis with systemic onset, unspecified site
M08.20 is a billable, specific ICD-10-CM code for juvenile rheumatoid arthritis with systemic onset, unspecified site. It is valid for submission on a claim.
Risk adjustment
M08.20 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 93 Rheumatoid Arthritis and Other Specified Inflammatory Rheumatic Disorders0.617 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.
Medicare coverage
M08.20 is named in 8 Medicare coverage policies — 2 listing it as supporting medical necessity, and 6 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
- A59434Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
How M08.20 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to M08.20.
- Still's disease or syndrome(juvenile)
Related codes at this level
Codes that share M08.2. If M08.20 is not quite right, the correct code is usually one of these.
- M08.21Juvenile rheumatoid arthritis with systemic onset, shoulder
- M08.22Juvenile rheumatoid arthritis with systemic onset, elbow
- M08.23Juvenile rheumatoid arthritis with systemic onset, wrist
- M08.24Juvenile rheumatoid arthritis with systemic onset, hand
- M08.25Juvenile rheumatoid arthritis with systemic onset, hip
- M08.26Juvenile rheumatoid arthritis with systemic onset, knee
- M08.27Juvenile rheumatoid arthritis with systemic onset, ankle and foot
- M08.28Juvenile rheumatoid arthritis with systemic onset, vertebrae
- M08.29Juvenile rheumatoid arthritis with systemic onset, multiple sites
- M08.2AJuvenile rheumatoid arthritis with systemic onset, other specified site
Questions about M08.20
- Is M08.20 a billable ICD-10-CM code?
- Yes. M08.20 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does M08.20 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Inflammatory polyarthropathies (M05-M14).