2027 ICD-10-CM Diagnosis Code G47Sleep disorders

ICD-10-CM Codes›G00–G99›G40-G47›G47

ICD-10-CM G47
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

G47 is a non-billable ICD-10-CM category code for sleep disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as G47.00, G47.01, G47.09, and G47.10.

Code Identity

ICD-10-CM Code
G47
Billable Status
No — Non-Billable Category
Code Describes
Sleep disorders
Short Description
Sleep disorders
Same as the full description in the CMS dataset.
Chapter
G40-G47
Episodic and paroxysmal disorders

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG40-G47Episodic and paroxysmal disorders
CategoryG47Sleep disorders
This CodeG47Sleep disorders

Specific Coding for Sleep disordersOverview

Non-specific codes like G47 require more characters. Use one of these billable codes instead:

  • G47.0 for Insomnia

  • Use G47.00 for Insomnia, unspecified

  • Use G47.01 for Insomnia due to medical condition

  • Use G47.09 for Other insomnia

  • G47.1 for Hypersomnia

  • Use G47.10 for Hypersomnia, unspecified

  • Use G47.11 for Idiopathic hypersomnia with long sleep time

  • Use G47.12 for Idiopathic hypersomnia without long sleep time

  • Use G47.13 for Recurrent hypersomnia

  • Use G47.14 for Hypersomnia due to medical condition

  • Use G47.19 for Other hypersomnia

  • G47.2 for Circadian rhythm sleep disorders

  • Use G47.20 for Circadian rhythm sleep disorder, unspecified type

  • Use G47.21 for Circadian rhythm sleep disorder, delayed sleep phase type

  • Use G47.22 for Circadian rhythm sleep disorder, advanced sleep phase type

  • Use G47.23 for Circadian rhythm sleep disorder, irregular sleep wake type

  • Use G47.24 for Circadian rhythm sleep disorder, free running type

  • Use G47.25 for Circadian rhythm sleep disorder, jet lag type

  • Use G47.26 for Circadian rhythm sleep disorder, shift work type

  • Use G47.27 for Circadian rhythm sleep disorder in conditions classified elsewhere

  • Use G47.29 for Other circadian rhythm sleep disorder

  • G47.3 for Sleep apnea

  • Use G47.30 for Sleep apnea, unspecified

  • Use G47.31 for Primary central sleep apnea

  • Use G47.32 for High altitude periodic breathing

  • Use G47.33 for Obstructive sleep apnea (adult) (pediatric)

  • Use G47.34 for Idiopathic sleep related nonobstructive alveolar hypoventilation

  • Use G47.35 for Congenital central alveolar hypoventilation syndrome

  • Use G47.36 for Sleep related hypoventilation in conditions classified elsewhere

  • Use G47.37 for Central sleep apnea in conditions classified elsewhere

  • Use G47.39 for Other sleep apnea

  • G47.4 for Narcolepsy and cataplexy

  • G47.41 for Narcolepsy

  • G47.42 for Narcolepsy in conditions classified elsewhere

  • G47.5 for Parasomnia

  • Use G47.50 for Parasomnia, unspecified

  • Use G47.51 for Confusional arousals

  • Use G47.52 for REM sleep behavior disorder

  • Use G47.53 for Recurrent isolated sleep paralysis

  • Use G47.54 for Parasomnia in conditions classified elsewhere

  • Use G47.59 for Other parasomnia

  • G47.6 for Sleep related movement disorders

  • Use G47.61 for Periodic limb movement disorder

  • Use G47.62 for Sleep related leg cramps

  • Use G47.63 for Sleep related bruxism

  • Use G47.69 for Other sleep related movement disorders

  • Use G47.8 for Other sleep disorders

  • Use G47.9 for Sleep disorder, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to G47: its own notes plus those printed at Chapter 6. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On G47 itself
From Chapter 6 (G00-G99) Diseases of the nervous system applies to 700 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name G47, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming G47: its condition is not part of those codes, and both may be reported when the patient has both.

  • F51 Sleep disorders not due to a substance or known physiological condition
    organic sleep disorders (G47.-)

Clinical InformationClinical

  • Sleep Disorder

    a change from the patient's baseline sleeping pattern, in the hours slept and/or an alteration/dysfunction in the stages of sleep.

Patient EducationClinical

Sleep Disorders

While you are sleeping your brain and body functions are still active. Sleep is a natural process that helps your body restore energy, supports learning and memory, and keeps you healthy.

The full article covers:

  • What is sleep?
  • What are sleep disorders?
  • What causes sleep disorders?
  • What are the symptoms of sleep disorders?
  • How are sleep disorders diagnosed?
  • What are the treatments for sleep disorders?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About G47Overview

What is the ICD-10 code for sleep disorders?

G47 is the ICD-10-CM category for sleep disorders, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is G47 (Sleep disorders) a billable code?

No. This is a category header that groups the codes for sleep disorders, and headers cannot be submitted on claims. Claims for sleep disorders need a more specific code from this category, such as G47.00, G47.01, and G47.09.