M08
Juvenile arthritis
M08 is a non-billable ICD-10-CM code category for juvenile arthritis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are M08.0 Unspecified juvenile rheumatoid arthritis, M08.1 Juvenile ankylosing spondylitis, M08.2 Juvenile rheumatoid arthritis with systemic onset, M08.3 Juvenile rheumatoid polyarthritis (seronegative) and 3 more. Its coding notes include a Code also instruction, 4 Excludes1 entries and 10 Excludes2 entries.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (10 notes)
- 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)
Notes
Also from chapter/block level (1 note)
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
More specific codes under M08 7
- M08.0Unspecified juvenile rheumatoid arthritisHeader
- M08.1Juvenile ankylosing spondylitisBillable
- M08.2Juvenile rheumatoid arthritis with systemic onsetHeader
- M08.3Juvenile rheumatoid polyarthritis (seronegative)Billable
- M08.4Pauciarticular juvenile rheumatoid arthritisHeader
- M08.8Other juvenile arthritisHeader
- M08.9Juvenile arthritis, unspecifiedHeader