R39.859 — Costovertebral (angle) tenderness, unspecified side
Is R39.859 billable?
Yes, but R39.859 is an unspecified code. R39.859 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, R39.859 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 R39.859 — the more specific alternatives are listed below.
R39.859 at a glance
| Code | R39.859 |
|---|---|
| Description | Costovertebral (angle) tenderness, unspecified side |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R39.859 group to?
R39.859 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 R39.859 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R39.859. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Tenderness, abdominal › costovertebral
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R39.859, but a patient may have both at the same time. When documentation supports it, R39.859 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R39.85
The conditions below are not part of R39.859, but a patient may have both at the same time. When documentation supports it, R39.859 and the excluded code may both be reported.
- abdominal and pelvic pain (R10.-)
How long has R39.859 existed?
R39.859 first appears in FY2026.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.