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U.S. ICD-10-CM · April 2026

M08 ICD-10-CM Code: Juvenile arthritis

A clear reference for the official code description, hierarchy, and related coding information from the April 2026 U.S. release.

Code definition

Official description

M08

Juvenile arthritis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where M08 sits

  1. 1

    Chapter 13

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

  2. 2

    Section

    Inflammatory polyarthropathies (M05-M14)

  3. 3

    Category M08

    Juvenile arthritis

  4. 4

    Code M08

    Juvenile arthritis

More specific choices

Codes under M08

M08 is a non-billable category. Choose the child code that best matches the documented diagnosis.

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)

M08.4

Pauciarticular juvenile rheumatoid arthritis

M08.8

Other juvenile arthritis

M08.9

Juvenile arthritis, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for M08.

Code first

No “code first” instruction is listed for M08.

Use additional code

No “use additional code” instruction is listed for M08.

Excludes1

Conditions that should not be reported together with this code.

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

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for M08.

Transparency

Source and release

Data release

U.S. ICD-10-CM · April 2026

Effective date

Apr 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.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code M08 mean?

M08 is the April 2026 U.S. ICD-10-CM code for “Juvenile arthritis.”

Is M08 a billable or specific ICD-10-CM code?

No. M08 has more specific child codes in the April 2026 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is M08 located in ICD-10-CM?

M08 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.

What coding notes are listed for M08?

No inclusion terms are listed for M08 in this reference record. No code-first instruction is listed. Excludes1 notes: arthropathy in Whipple's disease (M14.8); Felty's syndrome (M05.0); juvenile dermatomyositis (M33.0-); psoriatic juvenile arthropathy (L40.54). No Excludes2 note is listed.

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