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GB 15499-2025Determination of lost workdays for work safety accident injuries (English PDF)

生产安全事故伤害损失工作日判定

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Issued by

SAMR; SAC

Level / Type

National · Mandatory

Issue date

December 31, 2025

Implementation date

January 1, 2027

Scope

GB 15499-2025 is the English-translated version of 生产安全事故伤害损失工作日判定.

GB 15499-2025 is the Chinese standard "Determination of lost workdays for work safety accident injuries". Its scope clause reads: This document specifies the basic requirements for determining lost working days in production safety accident investigations, and covers injuries to the torso and limbs, eyes, and nose.

Head injuries, ear injuries, maxillofacial injuries, scalp and head injuries, neck injuries, chest injuries, abdominal injuries, and injuries to the urinary and reproductive organs.

The lost workdays corresponding to occupational acute poisoning, burns and other injuries are given, along with the requirements for applying the results. This document is applicable to the calculation of lost workdays for injured personnel and the rapid determination of minor or serious injuries in the investigation of production safety accidents.

This document is not applicable to the calculation and statistics of data such as actual lost work time, hospitalization time, paid leave period during work stoppage, and workers' compensation insurance amount.

Note. In this document, "production safety accident" is abbreviated as "accident". Its clauses include terms and definitions.

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Document preview — GB 15499-2025

National Standard of the People's Republic of China

ICS: 13.100
Classification: C 65
Replacing: GB/T 15499-1995

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Basic Requirements
6.Eye injury resulting in 3 lost workdays
7.Loss of 4 working days due to nasal injury
9.Loss of working days due to oral and maxillofacial injuries (4 days)
10.Loss of working days due to scalp and head injuries (4 days)
12 lost workdays due to chest injury
14.Loss of working days due to injury to the urinary and reproductive organs (6 days)
15 Occupational acute poisoning loss of 6 working days
16 Burn-related lost workdays
17 Other injury losses 6 working days
18 Results Application
Appendix A (Informative) Conversion List of Damaged Locations and Lost Working Days
References

1 Scope

This document specifies the basic requirements for determining lost working days in production safety accident investigations, and covers injuries to the torso and limbs, eyes, and nose.

Head injuries, ear injuries, maxillofacial injuries, scalp and head injuries, neck injuries, chest injuries, abdominal injuries, and injuries to the urinary and reproductive organs.

The lost workdays corresponding to occupational acute poisoning, burns and other injuries are given, along with the requirements for applying the results.

This document is applicable to the calculation of lost workdays for injured personnel and the rapid determination of minor or serious injuries in the investigation of production safety accidents.

Note. In this document, "production safety accident" is abbreviated as "accident".

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Coexistent injury

Damage to different parts of the body that are unrelated to bodily functions.

3.2 Accumulated injury

Multiple injuries to parts of the body related to bodily functions.

3.3 Diagnosis of injury

Documents issued by the hospital, including outpatient medical records, emergency medical records, inpatient medical records, discharge summaries, and reports on pathology, blood tests, and imaging examinations.

3.4 injury

Physiological, functional, or anatomical abnormalities or deficiencies in the injured person.

3.5 injured part

The location of the injury in the injury diagnosis results.

3.6 Lost workdays

Quantification of the severity of human injury over time.

Note. This also applies to situations where there are no staff members present. For example, if there are elderly people or children, the lost working days should be determined according to this document.

3.7 injured person

Personnel who suffer bodily injuries due to workplace safety accidents.

Note. This also applies to non-employees.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 50 pages — is available in the English PDF.

Referenced standards

Cited by

Editions of GB 15499

Edition	Title	Revision	Status
GB 15499-2025	Determination of lost workdays for work safety accident injuries	current edition	Current
GB/T 15499-1995	Determination of lost workdays for work safety accident injuries	previous edition	Superseded

This page sells the current edition, GB 15499-2025. Earlier editions are listed for reference only.

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