R90.81
BillableAbnormal echoencephalogram
Abnormal echoencephalogram
Coding Notes
Includes
Conditions included 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 [MRI][NMR]
- 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
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •abnormal findings on antenatal screening of motherO28
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Excludes 2
Conditions not included here, but the patient may have both
- •abnormal findings on antenatal screening of motherO28
- •certain conditions originating in the perinatal periodP04-P96
- signs and symptoms classified in the body system chapters
- •signs and symptoms of breast,N63, N64.5
Related Codes(2)
Also Known As / Clinical Terms(10)
UMLS
Clinical Terms
- Echoencephalogram abnormal
- Nonspecific abnormal echoencephalogram
- Echoencephalogram abnormal (finding)
- Ultrasonography of brain abnormal
Frequently Asked Questions
What is the ICD-10 code for abnormal echoencephalogram?
The ICD-10-CM code for abnormal echoencephalogram is R90.81. The full clinical description is "Abnormal echoencephalogram". R90.81 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R90.81 mean?
ICD-10-CM code R90.81 represents “Abnormal echoencephalogram”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R90.81 a billable code?
Yes, R90.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R90.81 in?
R90.81 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R90.81?
R90.81 has Excludes1 notes indicating codes that cannot be used together with it, including: abnormal findings on antenatal screening of mother (O28.-); diagnostic abnormal findings classified elsewhere - see Alphabetical Index.
What SNOMED CT codes does R90.81 map to?
R90.81 maps to 2 SNOMED CT concepts: 274538008, 15634001000119103. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R90.81?
R90.81 is linked to 1 UMLS Concept Unique Identifier: C0476391. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does R90.81 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like abnormal echoencephalogram affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of R90.81?
There is no direct ICD-11 mapping available for R90.81 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.