R93.421 — Abnormal radiologic findings on diagnostic imaging of right kidney
Is R93.421 billable?
Yes — R93.421 is billable for FY2027. R93.421 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. R93.421 may be submitted for encounters from October 1, 2026 through September 30, 2027.
R93.421 at a glance
| Code | R93.421 |
|---|---|
| Description | Abnormal radiologic findings on diagnostic imaging of right kidney |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R93.421 group to?
R93.421 sits in MDC 11 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.
- 695Kidney and Urinary Tract Signs and Symptoms with MCCmedical
- 696Kidney and Urinary Tract Signs and Symptoms without MCCmedical
How is R93.421 listed in the Alphabetic Index?
The Alphabetic Index lists these routes under R93.42, the nearest indexed parent of R93.421. Use them to find the family, then select the specific code.
- Filling defect › kidney
- Abnormal, abnormality, abnormalities › diagnostic imaging › kidney
- Defect, defective › filling › kidney
Excludes1 — never code together — inherited from R90-R94
The conditions below can never be reported together with R93.421 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 R93.421, but a patient may have both at the same time. When documentation supports it, R93.421 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R93.4
The conditions below are not part of R93.421, but a patient may have both at the same time. When documentation supports it, R93.421 and the excluded code may both be reported.
- hypertrophy of kidney (N28.81)
How long has R93.421 existed?
R93.421 first appears in FY2018 (FY2017 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.