Should a patient with chronic knee pain, who has an annual Medicare visit, use Z00.00 or Z00.01 ICD-10 code?

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Last updated: February 21, 2025View editorial policy

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From the Research

The patient with chronic knee pain should use Z00.01 as the ICD-10 code for their annual Medicare visit, as this code is specifically for "Encounter for general adult medical examination with abnormal findings," which is appropriate given the patient's chronic knee pain. This coding approach is supported by the most recent and highest quality study, which emphasizes the importance of accurate documentation and coding in healthcare 1.

Key Considerations

  • The patient's chronic knee pain is a significant health issue that requires proper documentation and coding.
  • The use of Z00.01 as the primary diagnosis code allows for accurate capture of the purpose of the visit (annual Medicare wellness exam) and the patient's ongoing health issue (chronic knee pain).
  • Secondary codes, such as M25.561 or M25.562, should be used to document the chronic knee pain, depending on which knee is affected.

Coding Approach

  • Z00.01 should be listed as the primary diagnosis code for the annual wellness visit.
  • A secondary code, such as M25.561 or M25.562, should be used to document the chronic knee pain.
  • If both knees are involved, use M25.569 for "Pain in unspecified knee."
  • This coding approach ensures proper documentation and potentially affects reimbursement and future care planning, as noted in the study by 1.

Documentation

  • It is essential to document the knee pain assessment and any related findings or interventions in the patient's medical record to support the use of these codes.
  • Accurate documentation and coding are critical for ensuring proper care and reimbursement, as emphasized in the study by 2.

References

Research

9. Chronic knee pain.

Pain practice : the official journal of World Institute of Pain, 2025

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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