ICD-10-CM · Chapter 6 · G00-G99
G47 Sleep disorders
Excludes 2 (not included here)
- nightmares (F51.5)
- nonorganic sleep disorders (F51.-)
- sleep terrors (F51.4)
- sleepwalking (F51.3)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| G47..0 | Insomnia | No |
| G47..00 | Insomnia, unspecified | Yes |
| G47..01 | Insomnia due to medical condition | Yes |
| G47..09 | Other insomnia | Yes |
| G47..1 | Hypersomnia | No |
| G47..10 | Hypersomnia, unspecified | Yes |
| G47..11 | Idiopathic hypersomnia with long sleep time | Yes |
| G47..12 | Idiopathic hypersomnia without long sleep time | Yes |
| G47..13 | Recurrent hypersomnia | Yes |
| G47..14 | Hypersomnia due to medical condition | Yes |
| G47..19 | Other hypersomnia | Yes |
| G47..2 | Circadian rhythm sleep disorders | No |
| G47..20 | Circadian rhythm sleep disorder, unspecified type | Yes |
| G47..21 | Circadian rhythm sleep disorder, delayed sleep phase type | Yes |
| G47..22 | Circadian rhythm sleep disorder, advanced sleep phase type | Yes |
| G47..23 | Circadian rhythm sleep disorder, irregular sleep wake type | Yes |
| G47..24 | Circadian rhythm sleep disorder, free running type | Yes |
| G47..25 | Circadian rhythm sleep disorder, jet lag type | Yes |
| G47..26 | Circadian rhythm sleep disorder, shift work type | Yes |
| G47..27 | Circadian rhythm sleep disorder in conditions classified elsewhere | Yes |
| G47..29 | Other circadian rhythm sleep disorder | Yes |
| G47..3 | Sleep apnea | No |
| G47..30 | Sleep apnea, unspecified | Yes |
| G47..31 | Primary central sleep apnea | Yes |
| G47..32 | High altitude periodic breathing | Yes |
| G47..33 | Obstructive sleep apnea (adult) (pediatric) | Yes |
| G47..34 | Idiopathic sleep related nonobstructive alveolar hypoventilation | Yes |
| G47..35 | Congenital central alveolar hypoventilation syndrome | Yes |
| G47..36 | Sleep related hypoventilation in conditions classified elsewhere | Yes |
| G47..37 | Central sleep apnea in conditions classified elsewhere | Yes |
| G47..39 | Other sleep apnea | Yes |
| G47..4 | Narcolepsy and cataplexy | No |
| G47..41 | Narcolepsy | No |
| G47..411 | Narcolepsy with cataplexy | Yes |
| G47..419 | Narcolepsy without cataplexy | Yes |
| G47..42 | Narcolepsy in conditions classified elsewhere | No |
| G47..421 | Narcolepsy in conditions classified elsewhere with cataplexy | Yes |
| G47..429 | Narcolepsy in conditions classified elsewhere without cataplexy | Yes |
| G47..5 | Parasomnia | No |
| G47..50 | Parasomnia, unspecified | Yes |
| G47..51 | Confusional arousals | Yes |
| G47..52 | REM sleep behavior disorder | Yes |
| G47..53 | Recurrent isolated sleep paralysis | Yes |
| G47..54 | Parasomnia in conditions classified elsewhere | Yes |
| G47..59 | Other parasomnia | Yes |
| G47..6 | Sleep related movement disorders | No |
| G47..61 | Periodic limb movement disorder | Yes |
| G47..62 | Sleep related leg cramps | Yes |
| G47..63 | Sleep related bruxism | Yes |
| G47..69 | Other sleep related movement disorders | Yes |
| G47..8 | Other sleep disorders | Yes |
| G47..9 | Sleep disorder, unspecified | Yes |
Plain-language terms for this code
The following entries in the US Medical Glossary correspond to ICD-10-CM category G47:
- Sleep Apnea Symptoms — Síntomas de apnea del sueño
- Insomnia — Insomnio
- Excessive Daytime Sleepiness — Somnolencia diurna excesiva
- Sleep Apnea — Apnea del sueño
Last reviewed: September 2026