M08.261 ICD-10-CM Code: Juvenile rheumatoid arthritis with systemic onset, right knee
M08.261 is the billable ICD-10-CM code for “Juvenile rheumatoid arthritis with systemic onset, right knee” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
M08.261Juvenile rheumatoid arthritis with systemic onset, right knee
ICD-10-CM diagnosis code · United States clinical modification
Coding tips for M08.261
The same condition on the other side
This code carries the side. Use the one the note supports; codes for an unspecified side should rarely be used.
Where M08.261 sits
- 1
Chapter 13
Diseases of the musculoskeletal system and connective tissue (M00-M99)
- 2
Section
Inflammatory polyarthropathies (M05-M14)
- 3
Category M08
Juvenile arthritis
- 4
Subcategory M08.26
Juvenile rheumatoid arthritis with systemic onset, knee
- 5
Code M08.261
Juvenile rheumatoid arthritis with systemic onset, right knee
Notes for this code
Inclusion terms
No inclusion terms are listed for M08.261.
Code first
No “code first” instruction is listed for M08.261.
Use additional code
No “use additional code” instruction is listed for M08.261.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for M08.261.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for M08.261.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code M08.261 mean?
M08.261 is the FY 2027 U.S. ICD-10-CM code for “Juvenile rheumatoid arthritis with systemic onset, right knee.”
Is M08.261 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, M08.261 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is M08.261 located in ICD-10-CM?
M08.261 is listed in Chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99), within Inflammatory polyarthropathies (M05-M14) (M05–M14), under category M08, Juvenile arthritis and subcategory M08.26, Juvenile rheumatoid arthritis with systemic onset, knee.
What coding notes are listed for M08.261?
No inclusion terms are listed for M08.261 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.