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2025 ICD-10-CM code W92

Exposure to excessive heat of man-made origin.

W92 should never be used as the primary diagnosis. It is always used as a secondary code following a diagnosis code for the resulting condition.If the intent of the heat exposure was intentional (e.g., assault), a different code should be used. W92 is specifically for unintentional exposure to man-made heat.

The 7th character of W92 indicates the encounter type (initial, subsequent, or sequela). This character should match the 7th character of the primary diagnosis code.

The medical necessity of using W92 is to provide additional information about the circumstances that led to the patient's condition. This data is valuable for injury research and prevention initiatives.

Clinicians should use this code as a secondary code to indicate the cause of a heat-related condition. The primary code should be the diagnosis of the condition itself (e.g., heat stroke, heat exhaustion).

In simple words: Exposure to too much heat from something made by humans.

Exposure to excessive heat of man-made origin.

Example 1: A patient presents with heat stroke after working in a factory with inadequate ventilation and cooling systems. The primary diagnosis would be the heat stroke code, and W92 would be used as a secondary code to indicate the cause of the heat stroke., A firefighter sustains burns while fighting a fire in a building. The primary diagnosis would be the burn code, and W92 would be added to indicate exposure to the excessive heat of the fire., A baker develops heat exhaustion after spending hours in a hot kitchen with ovens constantly on. The heat exhaustion diagnosis is the primary code, while W92 would be used as a secondary code to indicate the source of the heat exposure.

Documentation should clearly state the source of the heat exposure and its relationship to the patient's condition. Details such as the environment, duration of exposure, and symptoms should be included.

** This code excludes exposure to natural heat (X30). Reporting of external cause codes is not mandatory nationally, but it is encouraged for injury research and prevention.Specific payers or states may have their own reporting requirements.

** Only Enterprise users with EHR integration can access case-specific answers. Click here to request access.

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iFrame™ AI's knowledge is aligned with and limited to the materials uploaded by users and should not be interpreted as medical, legal, or any other form of advice by iFrame™.