M02.861
Billable

Other reactive arthropathies, right knee

Billable / Specific Code

What is Other reactive arthropathies, right knee?

ICD-10-CM M02.861 is the diagnosis code for Other reactive arthropathies, right knee. This code falls under the section "Infectious arthropathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 M02.861

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 M02.861 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M02.861 a billable ICD-10-CM code?

Yes, M02.861 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M02.861 mean?

M02.861 is the ICD-10-CM diagnosis code for "Other reactive arthropathies, right 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 M02.861?

The parent code of M02.861 is M02.86 ("Other reactive arthropathies, knee"). M02.861 provides a more specific classification within this category.

What section is M02.861 in?

M02.861 is located in Section M00-M02 — "Infectious arthropathies" within Chapter 13 of the ICD-10-CM Tabular List.

When should I use M02.861?

Use M02.861 when the patients documented diagnosis matches "Other reactive arthropathies, right 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 reactive arthropathies, right knee?

The ICD-10-CM code for Other reactive arthropathies, right knee is M02.861.

Can M02.861 be used for primary diagnosis?

Yes, M02.861 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M02.861 in?

M02.861 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M02.861 valid for 2026?

Yes, M02.861 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM02.86Other reactive arthropathies, kneeNext →M02.862Other reactive arthropathies, left knee
Code Details
M02.861
Other reactive arthropathies, right knee
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M00-M02 — Infectious arthropathies
2026 ICD-10-CM