ICD-10 · PDGM grouping
G47 Sleep disorders
All 43 codes in the G47 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
43
Can lead a claim
37
Cannot lead a claim
6
What CMS assigns to G47
37 of the 43 codes group to MMTA - Other; 6 are assigned no clinical group. None of the 43 is assigned a comorbidity subgroup. 37 of the 43 can lead a claim. CMS attaches a code-first note to 6 of the 43.
Code first
CMS grouper convention 12, on G47.27, G47.36, G47.37, G47.421, G47.429, G47.54. Code first:
- underlying disease
Every code in G47
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| G47.0 Insomnia | ||||
| G47.00 | Insomnia, unspecified | Can lead a claim | A | None |
| G47.01 | Insomnia due to medical condition | Can lead a claim | A | None |
| G47.09 | Other insomnia | Can lead a claim | A | None |
| G47.1 Hypersomnia | ||||
| G47.10 | Hypersomnia, unspecified | Can lead a claim | A | None |
| G47.11 | Idiopathic hypersomnia with long sleep time | Can lead a claim | A | None |
| G47.12 | Idiopathic hypersomnia without long sleep time | Can lead a claim | A | None |
| G47.13 | Recurrent hypersomnia | Can lead a claim | A | None |
| G47.14 | Hypersomnia due to medical condition | Can lead a claim | A | None |
| G47.19 | Other hypersomnia | Can lead a claim | A | None |
| G47.2 Circadian rhythm sleep disorders | ||||
| G47.20 | Circadian rhythm sleep disorder, unspecified type | Can lead a claim | A | None |
| G47.21 | Circadian rhythm sleep disorder, delayed sleep phase type | Can lead a claim | A | None |
| G47.22 | Circadian rhythm sleep disorder, advanced sleep phase type | Can lead a claim | A | None |
| G47.23 | Circadian rhythm sleep disorder, irregular sleep wake type | Can lead a claim | A | None |
| G47.24 | Circadian rhythm sleep disorder, free running type | Can lead a claim | A | None |
| G47.25 | Circadian rhythm sleep disorder, jet lag type | Can lead a claim | A | None |
| G47.26 | Circadian rhythm sleep disorder, shift work type | Can lead a claim | A | None |
| G47.27 | Circadian rhythm sleep disorder in conditions classified elsewhereCMS: Circadian rhythm sleep disorder in conditions classd elswhr | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| G47.29 | Other circadian rhythm sleep disorder | Can lead a claim | A | None |
| G47.3 Sleep apnea | ||||
| G47.30 | Sleep apnea, unspecified | Can lead a claim | A | None |
| G47.31 | Primary central sleep apnea | Can lead a claim | A | None |
| G47.32 | High altitude periodic breathing | Can lead a claim | A | None |
| G47.33 | Obstructive sleep apnea (adult) (pediatric) | Can lead a claim | A | None |
| G47.34 | Idiopathic sleep related nonobstructive alveolar hypoventilationCMS: Idio sleep related nonobstructive alveolar hypoventilation | Can lead a claim | A | None |
| G47.35 | Congenital central alveolar hypoventilation syndrome | Can lead a claim | A | None |
| G47.36 | Sleep related hypoventilation in conditions classified elsewhereCMS: Sleep related hypoventilation in conditions classd elswhr | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| G47.37 | Central sleep apnea in conditions classified elsewhere | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| G47.39 | Other sleep apnea | Can lead a claim | A | None |
| G47.4 Narcolepsy and cataplexy | ||||
| G47.41 Narcolepsy | ||||
| G47.411 | Narcolepsy with cataplexy | Can lead a claim | A | None |
| G47.419 | Narcolepsy without cataplexy | Can lead a claim | A | None |
| G47.42 Narcolepsy in conditions classified elsewhere | ||||
| G47.421 | Narcolepsy in conditions classified elsewhere with cataplexy | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| G47.429 | Narcolepsy in conditions classified elsewhere without cataplexyCMS: Narcolepsy in conditions classified elsewhere w/o cataplexy | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| G47.5 Parasomnia | ||||
| G47.50 | Parasomnia, unspecified | Can lead a claim | A | None |
| G47.51 | Confusional arousals | Can lead a claim | A | None |
| G47.52 | REM sleep behavior disorder | Can lead a claim | A | None |
| G47.53 | Recurrent isolated sleep paralysis | Can lead a claim | A | None |
| G47.54 | Parasomnia in conditions classified elsewhere | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| G47.59 | Other parasomnia | Can lead a claim | A | None |
| G47.6 Sleep related movement disorders | ||||
| G47.61 | Periodic limb movement disorder | Can lead a claim | A | None |
| G47.62 | Sleep related leg cramps | Can lead a claim | A | None |
| G47.63 | Sleep related bruxism | Can lead a claim | A | None |
| G47.69 | Other sleep related movement disorders | Can lead a claim | A | None |
| G47.8 | Other sleep disorders | Can lead a claim | A | None |
| G47.9 | Sleep disorder, unspecified | Can lead a claim | A | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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