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2. ICD-10 Codes
3. Chapter - R00-R99
4. Section - R90-R94
5. Category - R90
6. R90.81

R90.81 - Abnormal echoencephalogram

• Applicable to Abnormal echoencephalogram
• The 2025 edition of ICD10-CM R90.81 became effective on October 1, 2024.
• This is the American ICD10-CM version of R90.81 - other international versions of ICD10 R90.81 may differ.
• R90.81 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above R90.81 contain annotation back-references that may be applicable to R90.81:

• Chapter: R00-R99 - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
• Section: R90-R94 - Abnormal findings on diagnostic imaging and in function studies, without diagnosis
• Category: R90 - Abnormal findings on diagnostic imaging of central nervous system

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.