Z72.821
✓ Billable
Inadequate sleep hygiene
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z72.821
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Z72.821?
ICD-10-CM code Z72.821 represents Inadequate sleep hygiene. It is a billable diagnosis code in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z72.821 billable?
Yes. Z72.821 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Z72.821 in?
Z72.821 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z72 category
Z72
Problems related to lifestyle
Non-billable
Z72.0
Tobacco use
Billable
Z72.3
Lack of physical exercise
Billable
Z72.4
Inappropriate diet and eating habits
Billable
Z72.5
High risk sexual behavior
Non-billable
Z72.6
Gambling and betting
Billable
Z72.8
Other problems related to lifestyle
Non-billable
Z72.9
Problem related to lifestyle, unspecified
Billable
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