AutoICD API

R90

Non-billable

Abnormal 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

ICD-11 Mapping

1 equivalent

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)

Excludes 2

Conditions not included here, but the patient may have both

Child Codes (2)

ICD-11 Equivalents(1)
Also Known As / Clinical Terms(2)
Frequently Asked Questions
What is the ICD-10 code for abnormal findings on diagnostic imaging of cnsl?

The ICD-10-CM code for abnormal findings on diagnostic imaging of cnsl is R90. The full clinical description is "Abnormal findings on diagnostic imaging of central nervous system". R90 is a non-billable header code. Use a more specific child code for billing purposes.

What does ICD-10 code R90 mean?

ICD-10-CM code R90 represents “Abnormal findings on diagnostic imaging of central nervous system”. It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and 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.

How does R90 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like abnormal findings on diagnostic imaging of cnsl 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?

R90 maps to the ICD-11 code: MB71.Z (Clinical findings on diagnostic imaging of central nervous system, unspecified).

Automate ICD-10 Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.

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.