R92.311 — Mammographic fatty tissue density, right breast
Is R92.311 billable?
Yes — R92.311 is billable for FY2027. R92.311 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R92.311 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R92.311 at a glance
| Code | R92.311 |
|---|---|
| Description | Mammographic fatty tissue density, right breast |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R92.311 group to?
R92.311 sits in MDC 09 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 600Non-Malignant Breast Disorders with CC/MCCmedical
- 601Non-Malignant Breast Disorders without CC/MCCmedical
How is R92.311 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under R92.31, the nearest indexed parent of R92.311. Use them to find the family, then select the specific code.
- Breast › Imaging Reporting and Data System: A
- Breast › Imaging Reporting and Data System: 1
- Density › breast › mammographic › fatty tissue
Excludes1 — never code together — inherited from R90-R94
The conditions below can never be reported together with R92.311 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 R92.311, but a patient may have both at the same time. When documentation supports it, R92.311 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 R92.311 is sequenced first depends on the reason for the encounter.
- , if applicable, inconclusive mammogram (R92.2)
How long has R92.311 existed?
R92.311 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.