M13.169
Billable

Monoarthritis, not elsewhere classified, unspecified knee

Billable / Specific Code

What is Monoarthritis, not elsewhere classified, unspecified knee?

ICD-10-CM M13.169 is the diagnosis code for Monoarthritis, not elsewhere classified, unspecified knee. This code falls under the section "Inflammatory polyarthropathies" 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 M13.169

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 M13.169 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M13.169 a billable ICD-10-CM code?

Yes, M13.169 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M13.169 mean?

M13.169 is the ICD-10-CM diagnosis code for "Monoarthritis, not elsewhere classified, unspecified 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 M13.169?

The parent code of M13.169 is M13.16 ("Monoarthritis, not elsewhere classified, knee"). M13.169 provides a more specific classification within this category.

What section is M13.169 in?

M13.169 is located in Section M05-M14 — "Inflammatory polyarthropathies" within Chapter 13 of the ICD-10-CM Tabular List.

When should I use M13.169?

Use M13.169 when the patients documented diagnosis matches "Monoarthritis, not elsewhere classified, unspecified 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 Monoarthritis, not elsewhere classified, unspecified knee?

The ICD-10-CM code for Monoarthritis, not elsewhere classified, unspecified knee is M13.169.

Can M13.169 be used for primary diagnosis?

Yes, M13.169 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M13.169 in?

M13.169 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M13.169 valid for 2026?

Yes, M13.169 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM13.162Monoarthritis, not elsewhere classified, left kneeNext →M13.17Monoarthritis, not elsewhere classified, ankle and foot
Code Details
M13.169
Monoarthritis, not elsewhere classified, unspecified knee
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M05-M14 — Inflammatory polyarthropathies
2026 ICD-10-CM