M25.569 – Pain in unspecified knee

Learn all you need to know about the ICD-10-CM code M25.569 – Pain in unspecified knee, its clinical information, billability, and related codes.

By Karina Jimenea on Apr 06, 2025.

Fact Checked by Gale Alagos.

Use Code
M25.569 – Pain in unspecified knee

M25.569 diagnosis code: Pain in unspecified knee

  • M25.569 is an ICD-10-CM code used for healthcare diagnosis reporting.
  • It is used to diagnose pain in an unspecified knee, which means the pain could be in either the right, left, or both knees.
  • The code is typically used when the location of the knee pain isn't critical to the diagnosis or treatment plan.

Is M25.569 billable?

M25.569 is a billable code, meaning it can be used for medical billing purposes as part of the appropriate code selection in the billing process. Details matter, and using incorrect codes risks inaccurate documentation, which may affect reimbursement and patient records.

Clinical information

  • Pain can be localized to a specific knee area or diffused throughout the knee. Common symptoms of knee pain (unspecified location) include aching, stiffness, swelling, and difficulty with knee mobility.
  • Diagnosis often involves physical examinations, imaging tests, and sometimes lab tests or arthroscopy.
  • Depending on the cause, the knee pain might worsen with specific activities, such as climbing stairs, kneeling, or walking. Further investigation may be needed to reflect the underlying cause accurately.
  • Knee pain can be acute, from a recent injury, or chronic due to long-term conditions like arthritis or repetitive motion.
  • Treatment usually depends on the cause of the pain and can range from physical therapy and medication to surgical interventions in severe cases.

Synonyms include

  • Arthralgia (joint pain) of lower leg
  • Arthralgia of knee less than three months
  • Arthralgia of the lower leg
  • Knee joint pain
  • Knee pain
  • Patellofemoral syndrome

Other ICD-10 codes commonly used for knee pain

  • M25.561: Pain in right knee
  • M25.562: Pain in left knee
  • M25.50: Pain in unspecified joint
  • M17.9: Osteoarthritis of knee, unspecified
  • M24.569: Contracture, unspecified knee
  • M23.50: Chronic instability of knee, unspecified knee
  • M22.42: Chondromalacia patellae, left knee
  • M22.2X9: Patellofemoral disorder, unspecified knee

Frequently asked questions

When to use a diagnosis code M25.569?

Use M25.569 when knee pain presents without a clear-cut diagnosis or definitive diagnosis on which location (left or right).

What are the common treatments for M25.569 ICD-10 diagnosis code?

Treatment depends on the patient's condition and may include pain management, physical therapy, lifestyle modifications, or further diagnostic tests. Addressing the patient's discomfort effectively requires identifying potential underlying causes through additional evaluation.

What is the ICD-10-CM code for right knee pain?

The ICD-10-CM code for right knee pain is M25.561, which provides more specific documentation than a generic code like M25.569. Accurate documentation ensures proper treatment planning and billing.

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