What is the ICD (International Classification of Diseases) code for a preoperative examination?

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Last updated: March 21, 2025 • View editorial policy

From the Research

The ICD-10 code for a preoperative examination is Z01.810, which should be used when documenting a general preoperative examination for a patient who is scheduled for surgery. This code is essential for accurate documentation and reimbursement purposes, as emphasized by various studies, including 1. When using this code, it's crucial to also include the code for the condition necessitating the surgery as a secondary diagnosis. For more specific preoperative evaluations, such as cardiovascular exams before surgery, you would use Z01.30, or for respiratory exams, Z01.811.

These codes help healthcare providers accurately document the reason for the encounter and ensure proper reimbursement. When documenting a preoperative exam, be sure to include details about the patient's current health status, any risk factors that might affect surgery, and the specific surgical procedure being planned. This comprehensive documentation supports medical necessity for the preoperative evaluation and helps the surgical team prepare appropriately for the procedure, as highlighted in studies such as 2 and 3.

It's also important to note that preoperative testing should be thoughtful and based on clinical indications, rather than routine, as stated by the American Society of Anesthesiologists (ASA) and other organizations, and supported by studies like 1. By following these guidelines and using the correct ICD-10 codes, healthcare providers can ensure that preoperative evaluations are thorough, efficient, and effective in minimizing risks and improving patient outcomes.

Key points to consider when documenting a preoperative examination include:

  • Using the correct ICD-10 code, such as Z01.810, for general preoperative examinations
  • Including the code for the condition necessitating the surgery as a secondary diagnosis
  • Documenting the patient's current health status, risk factors, and specific surgical procedure being planned
  • Ensuring that preoperative testing is based on clinical indications, rather than routine
  • Following guidelines and recommendations from organizations such as the ASA, as supported by studies like 1.

References

Research

Preoperative Testing.

The Medical clinics of North America, 2024

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