M25.86
Non-Billable

Other specified joint disorders, knee

Non-Billable / Non-Specific Code

What is Other specified joint disorders, knee?

ICD-10-CM M25.86 is the diagnosis code for Other specified joint disorders, knee. This code falls under the section "Other joint disorders" 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.

Coding Guidelines for M25.86

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where M25.86 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 3 entries
M25.861Other specified joint disorders, right kneeBillableM25.862Other specified joint disorders, left kneeBillableM25.869Other specified joint disorders, unspecified kneeBillable
Related Codes

Frequently Asked Questions

Is M25.86 a billable ICD-10-CM code?

No, M25.86 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M25.86 mean?

M25.86 is the ICD-10-CM diagnosis code for "Other specified joint disorders, knee". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M25.86?

The parent code of M25.86 is M25.8 ("Other specified joint disorders"). M25.86 provides a more specific classification within this category.

What section is M25.86 in?

M25.86 is located in Section M20-M25 — "Other joint disorders" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M25.86?

M25.86 has 3 sub-code(s) that provide more specific detail: M25.861, M25.862, M25.869.

When should I use M25.86?

Use M25.86 when the patients documented diagnosis matches "Other specified joint disorders, knee" 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 Other specified joint disorders, knee?

The ICD-10-CM code for Other specified joint disorders, knee is M25.86.

Can M25.86 be used for primary diagnosis?

No, M25.86 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M25.86 in?

M25.86 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M25.86 valid for 2026?

Yes, M25.86 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM25.859Other specified joint disorders, unspecified hipNext →M25.861Other specified joint disorders, right knee
Code Details
M25.86
Other specified joint disorders, knee
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M20-M25 — Other joint disorders
2026 ICD-10-CM