---
title: "ICD-10-CM G47.51: Confusional arousals | BillingBrief"
description: "ICD-10-CM code G47.51: Confusional arousals. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/g47.51/"
language: "en"
---

# G47.51 Confusional arousals

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

**Official ICD-10-CM description:** Confusional arousals

## 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.

-   alcohol induced parasomnia ([F10.182](https://billingbrief.com/icd10/f10.182/), [F10.282](https://billingbrief.com/icd10/f10.282/), [F10.982](https://billingbrief.com/icd10/f10.982/))
-   drug induced parasomnia ([F11.182](https://billingbrief.com/icd10/f11.182/), [F11.282](https://billingbrief.com/icd10/f11.282/), [F11.982](https://billingbrief.com/icd10/f11.982/), F13.182, F13.282, F13.982, F14.182, F14.282, F14.982, F15.182, F15.282, F15.982, F19.182, F19.282, F19.982)
-   parasomnia not due to a substance or known physiological condition ([F51.8](https://billingbrief.com/icd10/f51.8/))

### Excludes2

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

-   nightmares ([F51.5](https://billingbrief.com/icd10/f51.5/))
-   nonorganic sleep disorders (F51.-)
-   sleep terrors ([F51.4](https://billingbrief.com/icd10/f51.4/))
-   sleepwalking ([F51.3](https://billingbrief.com/icd10/f51.3/))

## Related codes

-   [`G47.419` Narcolepsy without cataplexy ICD-10-CM](https://billingbrief.com/icd10/g47.419/)
-   [`G47.421` Narcolepsy in conditions classified elsewhere with cataplexy ICD-10-CM](https://billingbrief.com/icd10/g47.421/)
-   [`G47.429` Narcolepsy in conditions classified elsewhere without cataplexy ICD-10-CM](https://billingbrief.com/icd10/g47.429/)
-   [`G47.50` Parasomnia, unspecified ICD-10-CM](https://billingbrief.com/icd10/g47.50/)
-   [`G47.52` REM sleep behavior disorder ICD-10-CM](https://billingbrief.com/icd10/g47.52/)
-   [`G47.53` Recurrent isolated sleep paralysis ICD-10-CM](https://billingbrief.com/icd10/g47.53/)
-   [`G47.54` Parasomnia in conditions classified elsewhere ICD-10-CM](https://billingbrief.com/icd10/g47.54/)
-   [`G47.59` Other parasomnia ICD-10-CM](https://billingbrief.com/icd10/g47.59/)

## Common questions

### Is G47.51 a billable code?

Yes. G47.51 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

G47 Sleep disorders

Chapter

Diseases of the nervous system

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/).