DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R92 Abnormal and inconclusive findings on diagnostic imaging of breast

  • Header · not billable

R92 is not billable. The category heads 17 billable codes in FY2027, grouped under 5 subdivisions.

Index → code

  • Dense breasts → R92.30
  • Microcalcifications, breast → R92.0
  • Breastdense → R92.3-

Where it sits

  1. Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. R90-R94 Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)
  3. R92 Abnormal and inconclusive findings on diagnostic imaging of breast
Billable codes
17
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
32

Codes in R92

  1. R92.0
    Mammographic microcalcification found on diagnostic imaging of breast
    Billable
    Excludes2 1

    Excludes2

    • mammographic calcification (calculus) found on diagnostic imaging of breast (R92.1) R92.1
  2. R92.1
    Mammographic calcification found on diagnostic imaging of breast
    Billable
    Inclusion terms 1

    Inclusion terms

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

    Inclusion terms

    • Inconclusive mammogram NEC
    • Inconclusive mammography NEC
  4. R92.3
    Mammographic density found on imaging of breast
    Header
    Code also 1

    Code also

    • , if applicable, inconclusive mammogram (R92.2) R92.2
  5. R92.30
    Dense breasts, unspecified
    Billable
    Inclusion terms 2

    Inclusion terms

    • Dense breasts NOS
    • Low density
  6. R92.31
    Mammographic fatty tissue density of breast
    Header
    Inclusion terms 1

    Inclusion terms

    • Breast density category within Imaging Reporting and Data System (BI-RADS): A
  7. R92.311
    Mammographic fatty tissue density, right breast
    Billable
  8. R92.312
    Mammographic fatty tissue density, left breast
    Billable
  9. R92.313
    Mammographic fatty tissue density, bilateral breasts
    Billable
  10. R92.32
    Mammographic fibroglandular density of breast
    Header
    Inclusion terms 1

    Inclusion terms

    • Breast density category within Imaging Reporting and Data System (BI-RADS): B
  11. R92.321
    Mammographic fibroglandular density, right breast
    Billable
  12. R92.322
    Mammographic fibroglandular density, left breast
    Billable
  13. R92.323
    Mammographic fibroglandular density, bilateral breasts
    Billable
  14. R92.33
    Mammographic heterogeneous density of breast
    Header
    Inclusion terms 1

    Inclusion terms

    • Breast density category within Imaging Reporting and Data System (BI-RADS): C
  15. R92.331
    Mammographic heterogeneous density, right breast
    Billable
  16. R92.332
    Mammographic heterogeneous density, left breast
    Billable
  17. R92.333
    Mammographic heterogeneous density, bilateral breasts
    Billable
  18. R92.34
    Mammographic extreme density of breast
    Header
    Inclusion terms 1

    Inclusion terms

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

Sources of each column.

Instructions

Notes that also apply

Block R90-R94 instructions (Includes 6, Excludes1 2): printed on the block page.

Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.

Index entries

  • Microcalcifications, breast → R92.0
  • Dense breasts → R92.30
  • Calcificationmammographic → R92.1
  • Calculus, calculi, calculousmammographic → R92.1
  • Inconclusivemammogram → R92.2
  • Breastdense → R92.3-
  • Densitybreast → R92.30
  • BreastImaging Reporting and Data System (BI-RADS): A → R92.31-
  • BreastImaging Reporting and Data System (BI-RADS): 1 → R92.31-
  • BreastImaging Reporting and Data System (BI-RADS): B → R92.32-
  • BreastImaging Reporting and Data System (BI-RADS): 2 → R92.32-
  • BreastImaging Reporting and Data System (BI-RADS): C → R92.33-
  • BreastImaging Reporting and Data System (BI-RADS): 3 → R92.33-
  • BreastImaging Reporting and Data System (BI-RADS): D → R92.34-
  • BreastImaging Reporting and Data System (BI-RADS): 4 → R92.34-
  • Abnormal, abnormality, abnormalitiesmammogram NEC → R92.8
  • Findings, abnormal, inconclusive, without diagnosismammogram NEC → R92.8
  • Findings, abnormal, inconclusive, without diagnosisxerography → R92.8
  • Inconclusivefindings on diagnostic imaging of breast NEC → R92.8
  • Thermography (abnormal)breast → R92.8
  • Abnormal, abnormality, abnormalitiesmammogram NECmicrocalcification → R92.0
  • Findings, abnormal, inconclusive, without diagnosismammogram NECmicrocalcification → R92.0
  • Abnormal, abnormality, abnormalitiesmammogram NECcalcification (calculus) → R92.1
  • Findings, abnormal, inconclusive, without diagnosismammogram NECcalcification (calculus) → R92.1
  • Findings, abnormal, inconclusive, without diagnosismammogram NECinconclusive result → R92.2
  • Densitybreastlow → R92.30
  • Abnormal, abnormality, abnormalitiesdiagnostic imagingbreast → R92.8
  • Findings, abnormal, inconclusive, without diagnosisradiologic (X-ray)breast → R92.8
  • Densitybreastmammographicfatty tissue → R92.31-
  • Densitybreastmammographicfibroglandular → R92.32-
  • Densitybreastmammographicheterogeneous → R92.33-
  • Densitybreastmammographicextreme → R92.34-

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