Z72.821 – Inadequate sleep hygiene
ICD-10-CM 2027 diagnosis code · Persons encountering health services in other circumstances
ICD-10-CM code
Z72.821
- Code
Z72.821(claims format:Z72821)- Description
- Inadequate sleep hygiene
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z69-Z76 Persons encountering health services in other circumstances
- Parent codes
- Z72 › Z72.8 › Z72.82
Notes for Z72.821
Applicable to:
- Bad sleep habits
- Irregular sleep habits
- Unhealthy sleep wake schedule
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Z72 – Problems related to lifestyle
Index terms for Z72.821
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Sleep hygiene, poor
- Hygiene, sleep, poor
- Sleep hygiene, abuse
- Hygiene, sleep, abuse
- Sleep hygiene, inadequate
- Hygiene, sleep, inadequate
- Behavior, sleep-incompatible
- Habit, habituation, bad sleep
- Habit, habituation, irregular sleep
- Excess, excessive, excessively, napping
- History, personal, sleep-wake cycle problem
- History, personal, unhealthy sleep-wake cycle
Related codes in Z72.82
Frequently asked questions
What is ICD-10 code Z72.821?
Z72.821 is the ICD-10-CM code for inadequate sleep hygiene, in the block Z69-Z76 (Persons encountering health services in other circumstances).
Is Z72.821 a billable code?
Yes. Z72.821 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Z72.821 belong to?
It belongs to category Z72 – Problems related to lifestyle.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.