ICD-10-CM Code M25.569 – Pain in unspecified knee

Code: M25.569 Type: ICD-10-CM (Diagnosis) Status: Active Effective: FY2016-2026

What does ICD-10-CM code M25.569 mean?

M25.569 represents Pain in unspecified knee. This musculoskeletal condition falls under Chapter 13 (Diseases of the Musculoskeletal System) and is among the most common reasons for outpatient visits. Coders frequently reference this code as knee joint pain icd 10, right knee joint pain icd 10, left knee joint pain icd 10, or knee joint pain.

Code category and hierarchy

  • Chapter: 13 – Diseases of the Musculoskeletal System (M00-M99)
  • Category: M25
  • Code: M25.569 – Pain in unspecified knee

Guideline notes and coding considerations

Specificity Warning

M25.569 is an unspecified code. Query the provider for greater specificity when documentation suggests a more precise code is available. Using unspecified codes when specific codes exist may trigger audits.

  • Specificity: Assign M25.569 only when documentation supports this specific diagnosis.

Learn the underlying rules in the ICD-10 Coding Guidelines, Laterality Coding Rules.

Documentation tips (what coders should confirm)

  • Verify the clinical documentation supports the use of M25.569
  • Query the provider for greater specificity if clinical details suggest a more precise code

When NOT to use M25.569

Do not assign M25.569 when the clinical scenario involves: when documentation provides enough detail for a more specific code. Review excludes notes and assign the most specific code supported by documentation.

Audit risk

M25.569 is an unspecified code. Payers and auditors may flag claims with unspecified codes when the medical record contains sufficient detail for a more precise diagnosis. Query the provider for specificity before submitting.

More specific alternatives

Consider these more specific codes when documentation supports them: M25.511 (Pain in right shoulder), M25.512 (Pain in left shoulder), M25.561 (Pain in right knee).

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Related ICD-10 codes

M19.90

Unspecified osteoarthritis, unspecified site

M25.511

Pain in right shoulder

M25.512

Pain in left shoulder

M25.519

Pain in unspecified shoulder

Frequently Asked Questions

The ICD-10-CM code for knee joint pain is M25.569, which represents pain in unspecified knee. This code is also commonly referenced as right knee joint pain icd 10, left knee joint pain icd 10, knee joint pain. Verify this code using the ICD Code Auditor to ensure guideline compliance.

Yes. M25.569 is an active ICD-10-CM diagnosis code used to classify pain in unspecified knee for clinical documentation, reporting, and medical billing purposes.

Use the ICD Code Auditor to check M25.569 against official ICD-10-CM coding guidelines. The tool validates by fiscal year and patient gender to identify potential conflicts.

M25.569 should be used only when clinical documentation does not provide enough detail for a more specific code. Always query the provider when documentation suggests greater specificity is available, as unspecified codes may trigger audits and impact risk adjustment.

Documentation should clearly describe the clinical condition represented by M25.569 (Pain in unspecified knee). Include relevant clinical findings, diagnostic test results, provider assessment, and the treatment plan. The diagnosis must be supported by the medical record and not based solely on lab results without clinical interpretation.

Sources

Reviewed by: Certified ICD-10 Coding & Risk Adjustment Specialist
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Validate M25.569 Against ICD 10 CM Coding Guidelines (FY2026)

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