---
title: "ICD-10-CM R10.31: Right lower quadrant pain | BillingBrief"
description: "ICD-10-CM code R10.31: Right lower quadrant pain. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/r10.31/"
language: "en"
---

# R10.31 Right lower quadrant pain

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

**Official ICD-10-CM description:** Right lower quadrant pain

## 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.

-   pain localized to flank (R10.A-)
-   pelvic and perineal pain (R10.2-)
-   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

-   [`R10.22` Pelvic and perineal pain left side ICD-10-CM](https://billingbrief.com/icd10/r10.22/)
-   [`R10.23` Pelvic and perineal pain bilateral ICD-10-CM](https://billingbrief.com/icd10/r10.23/)
-   [`R10.24` Suprapubic pain ICD-10-CM](https://billingbrief.com/icd10/r10.24/)
-   [`R10.30` Lower abdominal pain, unspecified ICD-10-CM](https://billingbrief.com/icd10/r10.30/)
-   [`R10.32` Left lower quadrant pain ICD-10-CM](https://billingbrief.com/icd10/r10.32/)
-   [`R10.33` Periumbilical pain ICD-10-CM](https://billingbrief.com/icd10/r10.33/)
-   [`R10.811` Right upper quadrant abdominal tenderness ICD-10-CM](https://billingbrief.com/icd10/r10.811/)
-   [`R10.812` Left upper quadrant abdominal tenderness ICD-10-CM](https://billingbrief.com/icd10/r10.812/)

## Common questions

### Is R10.31 a billable code?

Yes. R10.31 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/).