2026 ICD-10-CM Diagnosis Code Z72.823Risk of suffocation (smothering) under another while sleeping

ICD-10-CM Codes›Z00–Z99›Z69-Z76›Z72

ICD-10-CM Z72.823
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z72.823 is a billable ICD-10-CM diagnosis code for risk of suffocation (smothering) under another while sleeping. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The code is not accepted as a principal diagnosis by the Medicare Code Editor. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Lifestyle/life management factors.

Code Identity

ICD-10-CM Code
Z72.823
Billable Status
Yes — Valid for Submission
Code Describes
Risk of suffocation (smothering) under another while sleeping
Short Description
Risk of suffocation (smothering) under another wh sleeping
Parent Code
Z72.82
Problems related to sleep

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ69-Z76Persons encountering health services in other circumstances
CategoryZ72Problems related to lifestyle
This CodeZ72.823Risk of suffocation (smothering) under another while sleeping

Code EditsBilling

Medicare Code Editor checks that affect claim validity for Z72.823.

Unacceptable principal diagnosis
There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Child-caregiver co-sleeping
  • Infant bed-sharing

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Bed-sharing, infant
    • Co-sleeping, child-caregiver
    • Risk
      • for
        • suffocation (smothering) under another while sleeping

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR FAC020
Lifestyle/life management factors
Default principal diagnosis: inpatient No · outpatient Yes

Code History & ChangesHistory

Replacement Z72.823 replaces the following previously assigned code(s):

  • Z72.89 - Other problems related to lifestyle
FY 2023AddedAdded to the ICD-10-CM code setEffective October 1, 2022.
FY 2024–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z72.823Overview

Is Z72.823 (Problems related to sleep) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report risk of suffocation (smothering) under another while sleeping on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Can Z72.823 be a principal diagnosis?

No. The Medicare Code Editor rejects this code as a principal diagnosis because risk of suffocation (smothering) under another while sleeping describes a circumstance that influences health status rather than a current illness. Report it as a secondary diagnosis.