F51.0 vs Z72.820
F51.0 (Insomnia not due to a substance or known physiological condition) compared with Z72.820 (Sleep deprivation), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. F51.0 carries an Excludes2 note covering Z72.820: “sleep deprivation (Z72.820)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F51.0Insomnia not due to a substance or known physiological condition | Z72.820Sleep deprivation | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | Z00-Z99 — Factors Influencing Health Status and Contact with Health Services (Z00-Z99) |
| Definition | Insomnia not due to a substance or known physiological condition is a non-billable ICD-10-CM category code (F51.0). | Sleep deprivation is a billable ICD-10-CM diagnosis code (Z72.820). |
| Includes | — | Lack of adequate sleep |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources