ICD-10 Code M08.20: Juvenile rheumatoid arthritis with systemic onset, unspecified site
M08.20 is a billable ICD-10 diagnosis code used to classify Juvenile rheumatoid arthritis with systemic onset, unspecified site in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the musculoskeletal system and connective tissue (M00-M99).
When is it used?
May be used when a clinician documents juvenile rheumatoid arthritis with systemic onset, unspecified site in a patient's medical record.
May appear in hospital records, claims, referrals, and clinical documentation.
This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
A code alone does not explain severity, treatment plan, or outcome.
A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
13Diseases of the musculoskeletal system and connective tissue (M00-M99)
block
M00-M25Arthropathies
block
M05-M14Inflammatory polyarthropathies
category
M08Juvenile arthritis
category
M08.2Juvenile rheumatoid arthritis with systemic onset
currentM08.2
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Juvenile rheumatoid arthritis with systemic onset, unspecified siteJuvenile rheumatoid arthritis with systemic onset
Frequently asked questions
Code details
CodeM08.20
SystemICD10
Display nameJuvenile rheumatoid arthritis with systemic onset, unspecified site
ChapterDiseases of the musculoskeletal system and connective tissue (M00-M99)
BlockInflammatory polyarthropathies
Flags
BillableYes
Valid clinical useYes
Source
SourceICD-10
Version2026-annual
Releaseannual
Year2026
Index terms
Matched terms
Still's disease or syndrome(juvenile)
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.