2023

  1. ICD-10-CM Codes
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  2. R00-R99
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  3. R90-R94
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  4. R90-
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  5. 2023 ICD-10-CM Diagnosis Code R90.0

2023 ICD-10-CM Diagnosis Code R90.0

Intracranial space-occupying lesion found on diagnostic imaging of central nervous system

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • R90.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Intcrn space-occupying lesion found on dx imaging of cnsl
  • The 2023 edition of ICD-10-CM R90.0 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of R90.0 - other international versions of ICD-10 R90.0 may differ.
The following code(s) above R90.0 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to R90.0:
  • R00-R99
    2023 ICD-10-CM Range R00-R99

    Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

    Note
    • This chapter includes symptoms, signs, abnormal results of clinical or other investigative procedures, and ill-defined conditions regarding which no diagnosis classifiable elsewhere is recorded.
    • Signs and symptoms that point rather definitely to a given diagnosis have been assigned to a category in other chapters of the classification. In general, categories in this chapter include the less well-defined conditions and symptoms that, without the necessary study of the case to establish a final diagnosis, point perhaps equally to two or more diseases or to two or more systems of the body. Practically all categories in the chapter could be designated 'not otherwise specified', 'unknown etiology' or 'transient'. The Alphabetical Index should be consulted to determine which symptoms and signs are to be allocated here and which to other chapters. The residual subcategories, numbered .8, are generally provided for other relevant symptoms that cannot be allocated elsewhere in the classification.
    • The conditions and signs or symptoms included in categories R00-R94 consist of:
    • (a) cases for which no more specific diagnosis can be made even after all the facts bearing on the case have been investigated;
    • (b) signs or symptoms existing at the time of initial encounter that proved to be transient and whose causes could not be determined;
    • (c) provisional diagnosis in a patient who failed to return for further investigation or care;
    • (d) cases referred elsewhere for investigation or treatment before the diagnosis was made;
    • (e) cases in which a more precise diagnosis was not available for any other reason;
    • (f) certain symptoms, for which supplementary information is provided, that represent important problems in medical care in their own right.
    Type 2 Excludes
    • abnormal findings on antenatal screening of mother (O28.-)
    • certain conditions originating in the perinatal period (P04-P96)
    • signs and symptoms classified in the body system chapters
    • signs and symptoms of breast (N63, N64.5)
    Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
  • R90-R94
    2023 ICD-10-CM Range R90-R94

    Abnormal findings on diagnostic imaging and in function studies, without diagnosis

    Includes
    • 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
    Type 1 Excludes
    • abnormal findings on antenatal screening of mother (O28.-)
    • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
    Abnormal findings on diagnostic imaging and in function studies, without diagnosis
ICD-10-CM R90.0 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert R90.0 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to R90.0:
  • Type 1 Excludes: R93.0
    ICD-10-CM Diagnosis Code R93.0

    Abnormal findings on diagnostic imaging of skull and head, not elsewhere classified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Type 1 Excludes
    • intracranial space-occupying lesion found on diagnostic imaging (R90.0)

Diagnosis Index entries containing back-references to R90.0:
  • Lesion(s) (nontraumatic)
    • intracranial, space-occupying R90.0

ICD-10-CM Codes Adjacent To R90.0
R89.1 Abnormal level of hormones in specimens from other organs, systems and tissues
R89.2 Abnormal level of other drugs, medicaments and biological substances in specimens from other organs, systems and tissues
R89.3 Abnormal level of substances chiefly nonmedicinal as to source in specimens from other organs, systems and tissues
R89.4 Abnormal immunological findings in specimens from other organs, systems and tissues
R89.5 Abnormal microbiological findings in specimens from other organs, systems and tissues
R89.6 Abnormal cytological findings in specimens from other organs, systems and tissues
R89.7 Abnormal histological findings in specimens from other organs, systems and tissues
R89.8 Other abnormal findings in specimens from other organs, systems and tissues
R89.9 Unspecified abnormal finding in specimens from other organs, systems and tissues
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
R90.81 Abnormal echoencephalogram
R90.82 White matter disease, unspecified
R90.89 Other abnormal findings on diagnostic imaging of central nervous system
R91 Abnormal findings on diagnostic imaging of lung
R91.1 Solitary pulmonary nodule
R91.8 Other nonspecific abnormal finding of lung field
R92 Abnormal and inconclusive findings on diagnostic imaging of breast
R92.0 Mammographic microcalcification found on diagnostic imaging of breast
R92.1 Mammographic calcification found on diagnostic imaging of breast

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

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