Z76.3 Healthy person accompanying sick person

The ICD-10-CM code for Healthy person accompanying sick person is Z76.3 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

21: Factors influencing health status and contact with health services (Z00-Z99)

Section

Z69-Z76: Persons encountering health services in other circumstances (Z69-Z76)

Category Z76

11 codes (9 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Z76.3:

• Boarder, hospital NEC › accompanying sick person
• Healthy › person accompanying sick person
• Healthy › infant › accompanying sick mother

U.S. Hospital Utilization

• An estimated 195 U.S. inpatient stays in 2023 included Z76.3 among the documented diagnoses.
• 95 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Unlabeled Z code list + cross-reference to I.B.14

Z76.3 Healthy person accompanying sick person Z76.4 Other boarder to healthcare facility Z76.5 Malingerer [conscious simulation] Z91.1- Patient’s noncompliance with medical treatment and regimen Z91.A- Caregiver’s noncompliance with patient’s medical treatment and regimen Z91.B Personal risk factor of exposure to diethylstilbestrol Z91.83 Wandering in diseases classified elsewhere Z91.84- Oral health risk factors Z91.89 Other specified personal risk factors, not elsewhere classified See Section I.B.14. for Z55-Z65 Persons with potential health hazards related to socioeconomic and psychosocial circumstances, documentation by clinicians other than the patient’s provider

Used with any code in range A00.0-T88.9, Z00-Z99

1) Used with any code in the range of A00.0-T88.9, Z00-Z99 An external cause code may be used with any code in the range of A00.0-T88.9, Z00-Z99, classification that represents a health condition due to an external cause. Though they are most applicable to injuries, they are also valid for use with such things as infections or diseases due to an external source, and other health conditions, such as a heart attack that occurs during strenuous physical activity.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)