M08

Non-Billable

ChapterM00–M99

Rankcategory

Official Description

Juvenile arthritis

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

CH13 Parent Instructions

Excludes2(Not included here)

arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Excludes1(Not coded here)

arthropathy in Whipple's disease (M14.8)
Felty's syndrome (M05.0)
juvenile dermatomyositis (M33.0-)
psoriatic juvenile arthropathy (L40.54)

Code Also

any associated underlying condition, such as:
regional enteritis [Crohn's disease] (K50.-)
ulcerative colitis (K51.-)

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M05-M14Inflammatory polyarthropathies (M05-M14)

M08Juvenile arthritis

M08.0Unspecified juvenile rheumatoid arthritis

M08.1Juvenile ankylosing spondylitis

M08.2Juvenile rheumatoid arthritis with systemic onset

M08.3Juvenile rheumatoid polyarthritis (seronegative)

M08.4Pauciarticular juvenile rheumatoid arthritis

M08.8Other juvenile arthritis

M08.9Juvenile arthritis, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M08:

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to M08. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths

Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute)25 unique routes

juvenile→M08(25 variants)

ankle→M08

elbow→M08

foot joint→M08

hand joint→M08

hip→M08

knee→M08

multiple site→M08

pauciarticular→M08(11 variants)

ankle→M08