R10.8A9 — Flank tenderness, unspecified
Is R10.8A9 billable?
Yes, but R10.8A9 is an unspecified code. R10.8A9 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, R10.8A9 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 R10.8A9 — the more specific alternatives are listed below.
More specific alternatives
R10.8A9 at a glance
| Code | R10.8A9 |
|---|---|
| Description | Flank tenderness, unspecified |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does R10.8A9 group to?
R10.8A9 sits in MDC 06 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.
- 391Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCCmedical
- 392Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCCmedical
How is R10.8A9 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to R10.8A9. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Tenderness, abdominal › flank
Inclusion terms
Alternative wording in documentation that is classified to R10.8A9.
- Flank tenderness NOS
Excludes1 — never code together — inherited from R10
The conditions below can never be reported together with R10.8A9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- renal colic (N23)
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R10.8A9, but a patient may have both at the same time. When documentation supports it, R10.8A9 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R10-R19
The conditions below are not part of R10.8A9, but a patient may have both at the same time. When documentation supports it, R10.8A9 and the excluded code may both be reported.
- congenital or infantile pylorospasm (Q40.0)
- gastrointestinal hemorrhage (K92.0-K92.2)
- intestinal obstruction (K56.-)
- newborn gastrointestinal hemorrhage (P54.0-P54.3)
- newborn intestinal obstruction (P76.-)
- pylorospasm (K31.3)
- signs and symptoms involving the urinary system (R30-R39)
- symptoms referable to female genital organs (N94.-)
- symptoms referable to male genital organs (N48-N50)
Excludes2 — not included here — inherited from R10
The conditions below are not part of R10.8A9, but a patient may have both at the same time. When documentation supports it, R10.8A9 and the excluded code may both be reported.
How long has R10.8A9 existed?
R10.8A9 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.