F51.1 Hypersomnia not due to a substance or known physiological condition
Non-billable header ICD10CM Release FY2026
Short description: Hypersomnia not due to a substance or known physiol cond
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Hypersomnia not due to a substance or known physiological condition | no |
Related codes in F51
- F51 Sleep disorders not due to a substance or known physiological condition
- F51.0 Insomnia not due to a substance or known physiological condition
- F51.01 Primary insomnia
- F51.02 Adjustment insomnia
- F51.03 Paradoxical insomnia
- F51.04 Psychophysiologic insomnia
- F51.05 Insomnia due to other mental disorder
- F51.09 Other insomnia not due to a substance or known physiological condition
- F51.11 Primary hypersomnia
- F51.12 Insufficient sleep syndrome
- F51.13 Hypersomnia due to other mental disorder
- F51.19 Other hypersomnia not due to a substance or known physiological condition
- F51.3 Sleepwalking [somnambulism]
- F51.4 Sleep terrors [night terrors]
- F51.5 Nightmare disorder
- F51.8 Other sleep disorders not due to a substance or known physiological condition
- F51.9 Sleep disorder not due to a substance or known physiological condition, unspecified