R92.34 — Mammographic extreme density of breast
Is R92.34 billable?
No — R92.34 is a non-billable header code. R92.34 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath R92.34.
R92.34 at a glance
| Code | R92.34 |
|---|---|
| Description | Mammographic extreme density of breast |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is R92.34 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R92.34. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Breast › Imaging Reporting and Data System: D
- Breast › Imaging Reporting and Data System: 4
- Density › breast › mammographic › extreme
Inclusion terms
Alternative wording in documentation that is classified to R92.34.
- Breast density category within Imaging Reporting and Data System (BI-RADS): D
Excludes1 — never code together — inherited from R90-R94
The conditions below can never be reported together with R92.34 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- abnormal findings on antenatal screening of mother (O28.-)
- diagnostic abnormal findings classified elsewhere - see Alphabetical Index
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R92.34, but a patient may have both at the same time. When documentation supports it, R92.34 and the excluded code may both be reported.
Code also — inherited from R92.3
Two codes may be needed to describe the condition fully. Whether R92.34 is sequenced first depends on the reason for the encounter.
- , if applicable, inconclusive mammogram (R92.2)
What codes fall under R92.34? (3)
How long has R92.34 existed?
R92.34 first appears in FY2024.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.