R90.81 is the authoritative medical code for Abnormal echoencephalogram. This classification is used in medical billing and clinical recording to specify the clinical criteria for abnormal echoencephalogram (ICD-10-CM R90.81), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Abnormal echoencephalogram is a billable ICD-10-CM diagnosis code R90.81. Includes: nonspecific abnormal findings on diagnostic imaging by computerized axial tomography CAT scan; nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging MRINMR; nonspecific abnormal findings on diagnostic imaging by positron emission tomography PET scan; nonspecific abnormal findings on diagnostic imaging by thermography; nonspecific abnormal findings on diagnostic imaging by ultrasound echogram; nonspecific abnormal findings on diagnostic imaging by X-ray examination. Excludes1 (not coded here): abnormal findings on antenatal screening of mother O28.-; diagnostic abnormal findings classified elsewhere - see Alphabetical Index.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for R90.81 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- nonspecific abnormal findings on diagnostic imaging by computerized axial tomography CAT scan
- nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging MRINMR
- nonspecific abnormal findings on diagnostic imaging by positron emission tomography PET scan
- nonspecific abnormal findings on diagnostic imaging by thermography
- nonspecific abnormal findings on diagnostic imaging by ultrasound echogram
- nonspecific abnormal findings on diagnostic imaging by X-ray examination
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- abnormal findings on antenatal screening of mother O28.-
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with R90.81?
Per official ICD-10-CM Excludes1 instructions, R90.81 must not be reported together with: abnormal findings on antenatal screening of mother (O28.-); diagnostic abnormal findings classified elsewhere - see Alphabetical Index.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to R90.81 in its code family, with their registry titles.
- R90 — Abnormal findings on diagnostic imaging of central nervous system
- R90.0 — Intracranial space-occupying lesion found on diagnostic imaging of central nervous system
- R90.8 — Other abnormal findings on diagnostic imaging of central nervous system
- R90.82 — White matter disease, unspecified
- R90.89 — Other abnormal findings on diagnostic imaging of central nervous system
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Abnormal, abnormality, abnormalities, echoencephalogram