All ICD10 Codes

G47

Non-Billable
ChapterG00–G99
Rankcategory
Official Description

Sleep disorders

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

CH6 Parent Instructions

Excludes2(Not included here)
  • 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)

Instructional Notes

Excludes2(Not included here)
  • nightmares (F51.5)
  • nonorganic sleep disorders (F51.-)
  • sleep terrors (F51.4)
  • sleepwalking (F51.3)

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G40-G47Episodic and paroxysmal disorders (G40-G47)
G47Sleep disorders
G47.0Insomnia
G47.1Hypersomnia
G47.2Circadian rhythm sleep disorders
G47.3Sleep apnea
G47.4Narcolepsy and cataplexy
G47.5Parasomnia
G47.6Sleep related movement disorders
G47.8Other sleep disorders
G47.9Sleep disorder, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G47:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to G47. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Apnea, apneic (of) (spells)8 unique routes
sleep→G47(8 variants)
central (primary)→G47(3 variants)
idiopathic→G47
in conditions classified elsewhere→G47
obstructive (adult) (pediatric)→G47(2 variants)
hypopnea→G47
primary central→G47
specified NEC→G47
Arousals, confusional1 unique routes
Direct index entry→G47
Breathing1 unique routes
periodic
high altitude→G47
Bruxism1 unique routes
sleep related→G47
Changing sleep-work schedule, affecting sleep1 unique routes
Direct index entry→G47
Confusional arousals1 unique routes
Direct index entry→G47
Cramp (s)3 unique routes
leg, sleep related→G47
limb (lower) (upper) NEC
sleep related→G47
sleep related, leg→G47
Delay, delayed1 unique routes
sleep phase syndrome→G47
Disorder (of)8 unique routes
movement(3 variants)
periodic limb→G47(2 variants)
sleep related→G47
sleep related NEC→G47
REM sleep behavior→G47
sleep→G47(4 variants)
circadian rhythm→G47(3 variants)
advance sleep phase type→G47
delayed sleep phase type→G47

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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