---
title: "ICD-10-CM R10.8A1: Right flank tenderness | BillingBrief"
description: "ICD-10-CM code R10.8A1: Right flank tenderness. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/r10.8a1/"
language: "en"
---

# R10.8A1 Right flank tenderness

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Right flank tenderness

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   renal colic (N23)

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   costovertebral (angle) tenderness (R39.85)
-   dorsalgia (M54.-)
-   flatulence and related conditions (R14.-)
-   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)

## Related codes

-   [`R10.827` Generalized rebound abdominal tenderness ICD-10-CM](https://billingbrief.com/icd10/r10.827/)
-   [`R10.829` Rebound abdominal tenderness, unspecified site ICD-10-CM](https://billingbrief.com/icd10/r10.829/)
-   [`R10.83` Colic ICD-10-CM](https://billingbrief.com/icd10/r10.83/)
-   [`R10.84` Generalized abdominal pain ICD-10-CM](https://billingbrief.com/icd10/r10.84/)
-   [`R10.85` Abdominal pain of multiple sites ICD-10-CM](https://billingbrief.com/icd10/r10.85/)
-   [`R10.8A2` Left flank tenderness ICD-10-CM](https://billingbrief.com/icd10/r10.8a2/)
-   [`R10.8A3` Suprapubic tenderness ICD-10-CM](https://billingbrief.com/icd10/r10.8a3/)
-   [`R10.8A9` Flank tenderness, unspecified ICD-10-CM](https://billingbrief.com/icd10/r10.8a9/)

## Common questions

### Is R10.8A1 a billable code?

Yes. R10.8A1 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

R10 Abdominal and pelvic pain

Chapter

Symptoms, signs and abnormal clinical and laboratory findings

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).