What is the ICD-10 code for right knee DJD?

The ICD-10 code for right knee degenerative joint disease is M17.11 for primary osteoarthritis and M17.31 for post-traumatic osteoarthritis.

How do you code post-traumatic osteoarthritis of the right knee?

Use ICD-10 code M17.31 for post-traumatic osteoarthritis of the right knee, and include an external cause code for the trauma.

ICD-10 Coding for Right Knee Degenerative Joint Disease(M17.11, M17.1, M17.31)

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Learn about ICD-10 coding for right knee degenerative joint disease, including primary and post-traumatic osteoarthritis. Find documentation tips and coding pitfalls.

Also known as:

Right Knee OsteoarthritisRight Knee DJD

Related ICD-10 Code Ranges

Complete code families applicable to Right Knee Degenerative Joint Disease

M00-M99Primary Range

Diseases of the musculoskeletal system and connective tissue

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
M17.11	Unilateral primary osteoarthritis, right knee	Use when the patient has primary osteoarthritis of the right knee without a history of trauma.	X-ray showing joint space narrowing Kellgren-Lawrence grade ≥2
M17.31	Unilateral post-traumatic osteoarthritis, right knee	Use when osteoarthritis is secondary to a documented traumatic event.	Documented history of knee trauma Imaging showing osteoarthritis changes

Primary ICD-10-CM Codes

Unilateral primary osteoarthritis, right knee

M17.11Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Unilateral post-traumatic osteoarthritis, right kneeM17.31

Use if there is a documented history of trauma leading to osteoarthritis.

Unilateral primary osteoarthritis, right kneeM17.11

Use if osteoarthritis is not related to trauma.

Documentation & Coding Risks

Avoid these common issues when documenting Right Knee Degenerative Joint Disease.

Omitting trauma history for post-traumatic OA

Impact

Clinical: Misdiagnosis of osteoarthritis type., Regulatory: Non-compliance with coding guidelines., Financial: Potential for incorrect billing.

Mitigation

Review patient history thoroughly, Document all relevant past injuries

Using M17.9 for unspecified osteoarthritis

Impact

Reimbursement: May result in lower DRG assignment., Compliance: Non-compliance with specificity requirements., Data Quality: Reduces data accuracy for clinical analysis.

Mitigation

Specify laterality and etiology to use M17.11 or M17.31.

Specificity in coding

Impact

Failure to specify laterality and etiology can lead to audits.

Mitigation

Ensure complete documentation of patient history and imaging.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with M17.11.

Primary Code

M17.11

Unilateral primary osteoarthritis, right knee

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ICD-10 codes6

Coding risks3

FAQs2

ICD-10 Coding for Right Knee Degenerative Joint Disease(M17.11, M17.1, M17.31)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for right knee DJD?

How do you code post-traumatic osteoarthritis of the right knee?

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