M08.00 is the authoritative medical code for Unspecified juvenile rheumatoid arthritis of unspecified site. This classification is used in medical billing and clinical recording to specify the clinical criteria for unspecified juvenile rheumatoid arthritis of unspecified site (ICD-10-CM M08.00), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Unspecified juvenile rheumatoid arthritis of unspecified site is a billable ICD-10-CM diagnosis code M08.00. 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; ulcerative colitis K51.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M08.00 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- arthropathy in Whipple's disease M14.8
- Felty's syndrome M05.0
- juvenile dermatomyositis M33.0-
- psoriatic juvenile arthropathy L40.54
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated underlying condition, such as:
- regional enteritis Crohn's disease
- ulcerative colitis K51.-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with M08.00?
Per Excludes1 instructions, M08.00 must not be reported with: arthropathy in Whipple's disease (M14.8); Felty's syndrome (M05.0); juvenile dermatomyositis (M33.0-); psoriatic juvenile arthropathy (L40.54).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as M08.00, with their registry titles.
- M08 — Juvenile arthritis
- M08.0 — Unspecified juvenile rheumatoid arthritis
- M08.01 — Unspecified juvenile rheumatoid arthritis, shoulder
- M08.011 — Unspecified juvenile rheumatoid arthritis, right shoulder
- M08.012 — Unspecified juvenile rheumatoid arthritis, left shoulder
- M08.019 — Unspecified juvenile rheumatoid arthritis, unspecified shoulder
- M08.02 — Unspecified juvenile rheumatoid arthritis of elbow
- M08.021 — Unspecified juvenile rheumatoid arthritis, right elbow
- M08.022 — Unspecified juvenile rheumatoid arthritis, left elbow
- M08.029 — Unspecified juvenile rheumatoid arthritis, unspecified elbow
- M08.03 — Unspecified juvenile rheumatoid arthritis, wrist
- M08.031 — Unspecified juvenile rheumatoid arthritis, right wrist
- M08.032 — Unspecified juvenile rheumatoid arthritis, left wrist
- M08.039 — Unspecified juvenile rheumatoid arthritis, unspecified wrist
- M08.04 — Unspecified juvenile rheumatoid arthritis, hand
- M08.041 — Unspecified juvenile rheumatoid arthritis, right hand
- M08.042 — Unspecified juvenile rheumatoid arthritis, left hand
- M08.049 — Unspecified juvenile rheumatoid arthritis, unspecified hand
- M08.05 — Unspecified juvenile rheumatoid arthritis, hip
- M08.051 — Unspecified juvenile rheumatoid arthritis, right hip
- M08.052 — Unspecified juvenile rheumatoid arthritis, left hip
- M08.059 — Unspecified juvenile rheumatoid arthritis, unspecified hip
- M08.06 — Unspecified juvenile rheumatoid arthritis, knee
- M08.061 — Unspecified juvenile rheumatoid arthritis, right knee
- M08.062 — Unspecified juvenile rheumatoid arthritis, left knee
- M08.069 — Unspecified juvenile rheumatoid arthritis, unspecified knee
- M08.07 — Unspecified juvenile rheumatoid arthritis, ankle and foot
- M08.071 — Unspecified juvenile rheumatoid arthritis, right ankle and foot
- M08.072 — Unspecified juvenile rheumatoid arthritis, left ankle and foot
- M08.079 — Unspecified juvenile rheumatoid arthritis, unspecified ankle and foot
- M08.08 — Unspecified juvenile rheumatoid arthritis, vertebrae
- M08.09 — Unspecified juvenile rheumatoid arthritis, multiple sites
- M08.0A — Unspecified juvenile rheumatoid arthritis, other specified site
- M08.1 — Juvenile ankylosing spondylitis
- M08.2 — Juvenile rheumatoid arthritis with systemic onset
- M08.20 — Juvenile rheumatoid arthritis with systemic onset, unspecified site
- M08.21 — Juvenile rheumatoid arthritis with systemic onset, shoulder
- M08.211 — Juvenile rheumatoid arthritis with systemic onset, right shoulder
- M08.212 — Juvenile rheumatoid arthritis with systemic onset, left shoulder
- M08.219 — Juvenile rheumatoid arthritis with systemic onset, unspecified shoulder
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute), rheumatoid, juvenile (with or without rheumatoid factor)
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code M06.00
Rheumatoid arthritis without rheumatoid factor, unspecified site
ICD Code M12.00
Chronic postrheumatic arthropathy [Jaccoud], unspecified site