Chapters 5 · Mental, Behavioral and Neurodevelopmental disorders (F01-F99)
Includes
disorders of psychological development
F51Category · further specificity requiredArchived
Sleep disorders not due to a substance or known physiological condition
HierarchyF50-F59 · F51
Code-level instructions
Excludes 2
organic sleep disorders (G47.-)
Inherited instructions
More specific codes
F51.0Insomnia not due to a substance or known physiological conditionCategory · further specificity requiredF51.1Hypersomnia not due to a substance or known physiological conditionCategory · further specificity requiredF51.3Sleepwalking [somnambulism]Billable / specificF51.4Sleep terrors [night terrors]Billable / specificF51.5Nightmare disorderBillable / specificF51.8Other sleep disorders not due to a substance or known physiological conditionBillable / specificF51.9Sleep disorder not due to a substance or known physiological condition, unspecifiedBillable / specificCode history
No recorded change since first observation
ChangedUnchanged
FY2016
Effective from
- First observed
Sleep disorders not due to a substance or known physiological condition
Category — select a more specific code
CDC/NCHS · FY2016All editions (19)
| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | No tabular change |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |