R92.343 — Mammographic extreme density, bilateral breasts
Is R92.343 billable?
Yes — R92.343 is billable for FY2027. R92.343 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R92.343 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R92.343 at a glance
| Code | R92.343 |
|---|---|
| Description | Mammographic extreme density, bilateral breasts |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R92.343 group to?
R92.343 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 R92.343 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under R92.34, the nearest indexed parent of R92.343. Use them to find the family, then select the specific code.
- Breast › Imaging Reporting and Data System: D
- Breast › Imaging Reporting and Data System: 4
- Density › breast › mammographic › extreme
Excludes1 — never code together — inherited from R90-R94
The conditions below can never be reported together with R92.343 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 R92.343, but a patient may have both at the same time. When documentation supports it, R92.343 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 R92.343 is sequenced first depends on the reason for the encounter.
- , if applicable, inconclusive mammogram (R92.2)
How long has R92.343 existed?
R92.343 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.