R90
Non-billableAbnormal findings on diagnostic imaging of cnsl
Abnormal findings on diagnostic imaging of central nervous system
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Status
Non-billable / Header
Block
R90-R94
Child Codes
2
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 mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Child Codes (2)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code R90?
ICD-10-CM code R90 represents "Abnormal findings on diagnostic imaging of central nervous system". It is a non-billable header code — use a more specific child code for billing purposes.
Is R90 a billable code?
No, R90 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under R90.
What chapter is R90 in?
R90 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R90?
R90 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 are the subcategories under R90?
R90 has 2 child codes, including: R90.0 (Intcrn space-occupying lesion found on dx imaging of cnsl), R90.8 (Oth abnormal findings on diagnostic imaging of cnsl).
What are the UMLS CUIs for R90?
R90 is linked to 1 UMLS Concept Unique Identifier: C0495784. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.