What is the ICD-10 (International Classification of Diseases, 10th Revision) code for a Magnetic Resonance Imaging (MRI) scan?

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Last updated: April 22, 2025 • View editorial policy

From the Research

The ICD-10 code for an MRI procedure is not a single code but depends on the body part being examined and the reason for the examination. MRI procedures are typically coded using CPT codes for billing the procedure itself, while ICD-10 codes are used to document the medical necessity or diagnosis. To properly code an MRI, you would need to use the appropriate ICD-10 code for the patient's condition that necessitates the imaging study. For example, if the MRI is for low back pain, you might use M54.5 (Low back pain), or if for a suspected brain tumor, you might use D43.2 (Neoplasm of uncertain behavior of brain) 1. Additionally, you may need to include Z codes such as Z01.811 (Encounter for preprocedural examinations) if applicable. Some key points to consider when coding an MRI include:

  • Identifying the specific medical condition requiring the imaging
  • Consulting with a medical coding specialist or referencing current coding guidelines for the most appropriate ICD-10 code
  • Understanding the principles and techniques of MRI, as discussed in recent studies 2, to appreciate the benefits and limitations of its use and further inform clinical decision-making. To accurately code an MRI, it is essential to stay up-to-date with the latest coding guidelines and to consider the specific clinical context in which the imaging is being used.

References

Research

What is an MRI scan and what can it do?

Drug and therapeutics bulletin, 2011

Research

Magnetic Resonance Imaging: Principles and Techniques: Lessons for Clinicians.

Journal of clinical and experimental hepatology, 2015

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