---
title: "ICD-10-CM R19.33: Right lower quadrant abdominal rigidity | BillingBrief"
description: "ICD-10-CM code R19.33: Right lower quadrant abdominal rigidity. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/r19.33/"
language: "en"
---

# R19.33 Right lower quadrant abdominal rigidity

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

**Official ICD-10-CM description:** Right lower quadrant abdominal rigidity

## 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.

-   abdominal rigidity with severe abdominal pain ([R10.0](https://billingbrief.com/icd10/r10.0/))
-   acute abdomen ([R10.0](https://billingbrief.com/icd10/r10.0/))

### Excludes2

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

-   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

-   [`R19.2` Visible peristalsis ICD-10-CM](https://billingbrief.com/icd10/r19.2/)
-   [`R19.30` Abdominal rigidity, unspecified site ICD-10-CM](https://billingbrief.com/icd10/r19.30/)
-   [`R19.31` Right upper quadrant abdominal rigidity ICD-10-CM](https://billingbrief.com/icd10/r19.31/)
-   [`R19.32` Left upper quadrant abdominal rigidity ICD-10-CM](https://billingbrief.com/icd10/r19.32/)
-   [`R19.34` Left lower quadrant abdominal rigidity ICD-10-CM](https://billingbrief.com/icd10/r19.34/)
-   [`R19.35` Periumbilic abdominal rigidity ICD-10-CM](https://billingbrief.com/icd10/r19.35/)
-   [`R19.36` Epigastric abdominal rigidity ICD-10-CM](https://billingbrief.com/icd10/r19.36/)
-   [`R19.37` Generalized abdominal rigidity ICD-10-CM](https://billingbrief.com/icd10/r19.37/)

## Common questions

### Is R19.33 a billable code?

Yes. R19.33 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

R19 Other symptoms and signs involving the digestive system and abdomen

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/).