R92.30 — Dense breasts, unspecified
Is R92.30 billable?
Yes, but R92.30 is an unspecified code. R92.30 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, R92.30 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting R92.30 — the more specific alternatives are listed below.
R92.30 at a glance
| Code | R92.30 |
|---|---|
| Description | Dense breasts, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R92.30 group to?
R92.30 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 R92.30 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R92.30. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dense breasts
- Density › breast
- Density › breast › low
Inclusion terms
Alternative wording in documentation that is classified to R92.30.
- Dense breasts NOS
- Low density
Excludes1 — never code together — inherited from R90-R94
The conditions below can never be reported together with R92.30 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 R92.30, but a patient may have both at the same time. When documentation supports it, R92.30 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 R92.30 is sequenced first depends on the reason for the encounter.
- , if applicable, inconclusive mammogram (R92.2)
How long has R92.30 existed?
R92.30 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.