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2025 ICD-10-CM code R90.0

Intracranial space-occupying lesion found on diagnostic imaging of central nervous system.

Use additional codes to identify the specific type of lesion if known (e.g., a specific type of tumor or cyst).If the lesion is found incidentally and not related to the current presenting problem, consider using Z codes for abnormal findings.

Medical necessity is established by the presence of signs or symptoms suggestive of an intracranial lesion, such as headaches, seizures, neurological deficits, or trauma. The diagnostic imaging is necessary to confirm the presence, location, and characteristics of the lesion to guide further management.

The clinician is responsible for ordering appropriate diagnostic imaging, interpreting the findings, and determining the next steps in diagnosis and management based on the identified lesion.

In simple words: A scan of your brain shows something that is taking up space inside your skull.More tests may be needed to find out exactly what it is.

This code indicates the presence of an intracranial space-occupying lesion discovered through diagnostic imaging of the central nervous system. This could include lesions like tumors, cysts, hematomas, or abscesses.

Example 1: A patient presents with headaches and blurred vision. An MRI of the brain reveals a meningioma., A patient experiences seizures. A CT scan of the head shows a brain abscess., Following a head injury, a patient undergoes a CT scan, which reveals a subdural hematoma.

Documentation should include the type of diagnostic imaging performed (e.g., MRI, CT), the location and size of the lesion, and the radiologist's interpretation report. Any associated symptoms or clinical findings should also be documented.

** This code represents a preliminary finding and requires further investigation to determine the specific nature and cause of the lesion.Additional codes should be used as the diagnosis becomes more refined. An example of a more specific code would be using appropriate codes from Chapter 2 Neoplasms to identify the specific type of tumor found.

** Only Enterprise users with EHR integration can access case-specific answers. Click here to request access.

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