Z91.81 History of falling

The ICD-10-CM code for History of falling is Z91.81 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

Z77-Z99: Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Category Z91

87 codes (62 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Z91.81:

• Problem (with) (related to) › falling
• History › personal (of) › fall, falling
• At risk › for › falling

Inclusion Terms

• At risk for falling

U.S. Hospital Utilization

• An estimated 517,365 U.S. inpatient stays in 2023 included Z91.81 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

Repeated falls vs history of falling

d. Repeated falls Code R29.6, Repeated falls, is for use for encounters when a patient has recently fallen and the reason for the fall is being investigated. Code Z91.81, History of falling, is for use when a patient has fallen in the past and is at risk for future falls. When appropriate, both codes R29.6 and Z91.81 may be assigned together.

History Z code categories list

The history Z code categories are: Z80 Family history of primary malignant neoplasm Z81 Family history of mental and behavioral disorders Z82 Family history of certain disabilities and chronic diseases (leading to disablement) Z83 Family history of other specific disorders Z84 Family history of other conditions Z85 Personal history of malignant neoplasm Z86 Personal history of certain other diseases Z87 Personal history of other diseases and conditions Z91.4- Personal history of psychological trauma, not elsewhere classified Z91.5- Personal history of self-harm Z91.81 History of falling Z91.82 Personal history of military deployment Z91.85 Personal history of military service Z92 Personal history of medical treatment

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)

Cite This Page

Reference Z91.81 with the canonical source and edition:

Z91.81 — History of falling. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Z91.81

Canonical URL: https://icd10codingpro.com/codes/Z91.81