M15
Non-Billable

Polyosteoarthritis

Non-Billable / Non-Specific Code

What is Polyosteoarthritis?

ICD-10-CM M15 is the diagnosis code for Polyosteoarthritis. This code falls under the section "Osteoarthritis" 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 M15

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as M15. They are mutually exclusive:

  • bilateral involvement of single joint (M16-M19)

ICD-10-CM Code Hierarchy

Understanding where M15 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 7 entries
M15.0Primary generalized (osteo)arthritisBillableM15.1Heberden's nodes (with arthropathy)BillableM15.2Bouchard's nodes (with arthropathy)BillableM15.3Secondary multiple arthritisBillableM15.4Erosive (osteo)arthritisBillableM15.8Other polyosteoarthritisBillableM15.9Polyosteoarthritis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is M15 a billable ICD-10-CM code?

No, M15 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M15 mean?

M15 is the ICD-10-CM diagnosis code for "Polyosteoarthritis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is M15 in?

M15 is located in Section M15-M19 — "Osteoarthritis" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M15?

M15 has 7 sub-code(s) that provide more specific detail: M15.0, M15.1, M15.2, M15.3, M15.4 and more.

When should I use M15?

Use M15 when the patients documented diagnosis matches "Polyosteoarthritis" 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 Polyosteoarthritis?

The ICD-10-CM code for Polyosteoarthritis is M15.

Can M15 be used for primary diagnosis?

No, M15 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M15 in?

M15 is in Chapter 13 of the ICD-10-CM Tabular List.

What conditions are excluded from M15?

Type 1 Excludes for M15 include: bilateral involvement of single joint (M16-M19).

Is M15 valid for 2026?

Yes, M15 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM14.89Arthropathies in other specified diseases classified elsewhere, multiple sitesNext →M15.0Primary generalized (osteo)arthritis
Code Details
M15
Polyosteoarthritis
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M15-M19 — Osteoarthritis
2026 ICD-10-CM