Y93.9 Activity, unspecified

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Activity, unspecified is Y93.9 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
Y90-Y99: Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99)
Category Y93
131 codes (109 billable)
FY2026 Status
Stable since FY2024

U.S. Hospital Utilization

  • An estimated 76,810 U.S. inpatient stays in 2023 included Y93.9 among the documented diagnoses.

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

Do not assign Y93.9 if activity not stated

Do not assign Y93.9, Unspecified activity, if the activity is not stated.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.20.c.4
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.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.20.a.1

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

References

Cite This Page

Reference Y93.9 with the canonical source and edition:

Y93.9 — Activity, unspecified. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Y93.9

Canonical URL: https://icd10codingpro.com/codes/Y93.9

Related Codes

Parent Code

Y93 Activity codes

Other Codes Under Y93

Y93.0 Activities involving walking and running Y93.1 Activities involving water and water craft Y93.2 Activities involving ice and snow Y93.3 Activities involving climbing, rappelling and jumping off Y93.4 Activities involving dancing and other rhythmic movement Y93.5 Activities involving other sports and athletics played individually Y93.6 Activities involving other sports and athletics played as a team or group Y93.7 Activities involving other specified sports and athletics Y93.8 Activities, other specified Y93.A Activities involving other cardiorespiratory exercise Y93.B Activities involving other muscle strengthening exercises Y93.C Activities involving computer technology and electronic devices Y93.D Activities involving arts and handcrafts Y93.E Activities involving personal hygiene and interior property and clothing maintenance Y93.F Activities involving caregiving Y93.G Activities involving food preparation, cooking and grilling Y93.H Activities involving exterior property and land maintenance, building and construction Y93.I Activities involving roller coasters and other types of external motion Y93.J Activities involving playing musical instrument Y93.K Activities involving animal care Y93.L Other outdoor activity
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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