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

Excludes1

  • abnormal findings on antenatal screening of mother (O28.-)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
  1. R92 Abnormal and inconclusive findings on diagnostic imaging of breast

    1. R92.0 Mammographic microcalcification found on diagnostic imaging of breast

    2. R92.1 Mammographic calcification found on diagnostic imaging of breast

      Inclusion term(s):

      • Mammographic calculus found on diagnostic imaging of breast
    3. R92.2 Inconclusive mammogram

      Inclusion term(s):

      • Inconclusive mammogram NEC
      • Inconclusive mammography NEC
    4. R92.3 Mammographic density found on imaging of breast

      1. R92.30 Dense breasts, unspecified

        Inclusion term(s):

        • Dense breasts NOS
        • Low density
      2. R92.31 Mammographic fatty tissue density of breast

        Inclusion term(s):

        • Breast Imaging Reporting and Data System (BI-RADS): A
        • Breast Imaging Reporting and Data System (BI-RADS): 1
        • R92.311 Mammographic fatty tissue density, right breast
        • R92.312 Mammographic fatty tissue density, left breast
        • R92.313 Mammographic fatty tissue density, bilateral breasts
      3. R92.32 Mammographic fibroglandular density of breast

        Inclusion term(s):

        • Breast Imaging Reporting and Data System (BI-RADS): B
        • Breast Imaging Reporting and Data System (BI-RADS): 2
        • R92.321 Mammographic fibroglandular density, right breast
        • R92.322 Mammographic fibroglandular density, left breast
        • R92.323 Mammographic fibroglandular density, bilateral breasts
      4. R92.33 Mammographic heterogeneous density of breast

        Inclusion term(s):

        • Breast Imaging Reporting and Data System (BI-RADS): C
        • Breast Imaging Reporting and Data System (BI-RADS): 3
        • R92.331 Mammographic heterogeneous density, right breast
        • R92.332 Mammographic heterogeneous density, left breast
        • R92.333 Mammographic heterogeneous density, bilateral breasts
      5. R92.34 Mammographic extreme density of breast

        Inclusion term(s):

        • Breast Imaging Reporting and Data System (BI-RADS): D
        • Breast Imaging Reporting and Data System (BI-RADS): 4
        • R92.341 Mammographic extreme density, right breast
        • R92.342 Mammographic extreme density, left breast
        • R92.343 Mammographic extreme density, bilateral breasts
    5. R92.8 Other abnormal and inconclusive findings on diagnostic imaging of breast

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.