Effective from
- First observed
Insomnia not due to a substance or known physiological condition
Category — select a more specific code
CDC/NCHS · FY2016organic sleep disorders (G47.-)
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
No recorded change since first observation
Effective from
Insomnia not due to a substance or known physiological condition
Category — select a more specific code
CDC/NCHS · FY2016| 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 |
disorders of psychological development
organic sleep disorders (G47.-)
F51.01Primary insomniaBillable / specificF51.02Adjustment insomniaBillable / specificF51.03Paradoxical insomniaBillable / specificF51.04Psychophysiologic insomniaBillable / specificF51.05Insomnia due to other mental disorderBillable / specificF51.09Other insomnia not due to a substance or known physiological conditionBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| F51.1 | Hypersomnia not due to a substance or known physiological condition | Category · further specificity required |
| F51.3 | Sleepwalking [somnambulism] | Billable / specific |
| F51.4 | Sleep terrors [night terrors] | Billable / specific |
| F51.5 | Nightmare disorder | Billable / specific |
| F51.8 | Other sleep disorders not due to a substance or known physiological condition | Billable / specific |
| F51.9 | Sleep disorder not due to a substance or known physiological condition, unspecified | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗
Excludes 2 · insomnia not due to a substance or known physiological condition (F51.0-)
Excludes 2 · nonorganic insomnia (F51.0-)
Excludes 1 · insomnia (F51.0-, G47.0-)