G47.52 – REM sleep behavior disorder

ICD-10-CM 2027 diagnosis code · Episodic and paroxysmal disorders

Billable code

ICD-10-CM code G47.52

Code: G47.52 (claims format: G4752)
Description: REM sleep behavior disorder
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 6. Diseases of the nervous system (G00-G99)
Block: G40-G47 Episodic and paroxysmal disorders
Parent codes: G47 › G47.5

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

G47 – Sleep disorders

Excludes2 (not included here):

nightmares (F51.5)
nonorganic sleep disorders (F51.-)
sleep terrors (F51.4)
sleepwalking (F51.3)

G47.5 – Parasomnia

Excludes1 (not coded here):

alcohol induced parasomnia (F10.182, F10.282, F10.982)
drug induced parasomnia (F11.182, F11.282, 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)

Index terms for G47.52

Entries in the ICD-10-CM alphabetic index that lead to this code:

Disorder, REM sleep behavior

Related codes in G47.5

G47.50 – Parasomnia, unspecifiedBillable
G47.51 – Confusional arousalsBillable
G47.53 – Recurrent isolated sleep paralysisBillable
G47.54 – Parasomnia in conditions classified elsewhereBillable
G47.59 – Other parasomniaBillable

Frequently asked questions

What is ICD-10 code G47.52?

G47.52 is the ICD-10-CM code for rEM sleep behavior disorder, in the block G40-G47 (Episodic and paroxysmal disorders).

Is G47.52 a billable code?

Yes. G47.52 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does G47.52 belong to?

It belongs to category G47 – Sleep disorders.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.