M08.9
Non-Billable

Juvenile arthritis, unspecified

Non-Billable / Non-Specific Code

What is Juvenile arthritis, unspecified?

ICD-10-CM M08.9 is the diagnosis code for Juvenile arthritis, unspecified. This code falls under the section "Inflammatory polyarthropathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for M08.9

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as M08.9. They are mutually exclusive:

  • juvenile rheumatoid arthritis, unspecified (M08.0-)

ICD-10-CM Code Hierarchy

Understanding where M08.9 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 11 entries
M08.90Juvenile arthritis, unspecified, unspecified siteBillableM08.91Juvenile arthritis, unspecified, shoulderNon-BillableM08.911Juvenile arthritis, unspecified, right shoulderBillableM08.912Juvenile arthritis, unspecified, left shoulderBillableM08.919Juvenile arthritis, unspecified, unspecified shoulderBillableM08.92Juvenile arthritis, unspecified, elbowNon-BillableM08.921Juvenile arthritis, unspecified, right elbowBillableM08.922Juvenile arthritis, unspecified, left elbowBillableM08.929Juvenile arthritis, unspecified, unspecified elbowBillableM08.93Juvenile arthritis, unspecified, wristNon-BillableM08.931Juvenile arthritis, unspecified, right wristBillableM08.932Juvenile arthritis, unspecified, left wristBillableM08.939Juvenile arthritis, unspecified, unspecified wristBillableM08.94Juvenile arthritis, unspecified, handNon-BillableM08.941Juvenile arthritis, unspecified, right handBillableM08.942Juvenile arthritis, unspecified, left handBillableM08.949Juvenile arthritis, unspecified, unspecified handBillableM08.95Juvenile arthritis, unspecified, hipNon-BillableM08.951Juvenile arthritis, unspecified, right hipBillableM08.952Juvenile arthritis, unspecified, left hipBillableM08.959Juvenile arthritis, unspecified, unspecified hipBillableM08.96Juvenile arthritis, unspecified, kneeNon-BillableM08.961Juvenile arthritis, unspecified, right kneeBillableM08.962Juvenile arthritis, unspecified, left kneeBillableM08.969Juvenile arthritis, unspecified, unspecified kneeBillableM08.97Juvenile arthritis, unspecified, ankle and footNon-BillableM08.971Juvenile arthritis, unspecified, right ankle and footBillableM08.972Juvenile arthritis, unspecified, left ankle and footBillableM08.979Juvenile arthritis, unspecified, unspecified ankle and footBillableM08.98Juvenile arthritis, unspecified, vertebraeBillableM08.99Juvenile arthritis, unspecified, multiple sitesBillableM08.9AJuvenile arthritis, unspecified, other specified siteBillable
Related Codes

Frequently Asked Questions

Is M08.9 a billable ICD-10-CM code?

No, M08.9 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M08.9 mean?

M08.9 is the ICD-10-CM diagnosis code for "Juvenile arthritis, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M08.9?

The parent code of M08.9 is M08 ("Juvenile arthritis"). M08.9 provides a more specific classification within this category.

What section is M08.9 in?

M08.9 is located in Section M05-M14 — "Inflammatory polyarthropathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M08.9?

M08.9 has 11 sub-code(s) that provide more specific detail: M08.90, M08.91, M08.92, M08.93, M08.94 and more.

When should I use M08.9?

Use M08.9 when the patients documented diagnosis matches "Juvenile arthritis, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Juvenile arthritis, unspecified?

The ICD-10-CM code for Juvenile arthritis, unspecified is M08.9.

Can M08.9 be used for primary diagnosis?

No, M08.9 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M08.9 in?

M08.9 is in Chapter 13 of the ICD-10-CM Tabular List.

What conditions are excluded from M08.9?

Type 1 Excludes for M08.9 include: juvenile rheumatoid arthritis, unspecified (M08.0-).

Is M08.9 valid for 2026?

Yes, M08.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM08.89Other juvenile arthritis, multiple sitesNext →M08.90Juvenile arthritis, unspecified, unspecified site
Code Details
M08.9
Juvenile arthritis, unspecified
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M05-M14 — Inflammatory polyarthropathies
2026 ICD-10-CM