Accidental exposure to other specified factors (X52-X58) ICD-10-CM
The X52–X58 section covers accidental exposure to other specified factors with 8 ICD-10-CM diagnosis codes, of which 6 are billable in fiscal year 2026. The section is organized into the 2 code ranges listed below.
Code Ranges in This Section 2 ranges · 8 codes
| Code Range | Title | Codes | Billable |
|---|---|---|---|
| X52 | Prolonged stay in weightless environment (X52) | 4 | 3 |
| X58 | Exposure to other specified factors (X58) | 4 | 3 |
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the X52–X58 Code Range
The ICD-10 codes from X52 to X58 cover accidental exposure to various specified environmental and external factors. These codes include conditions like a prolonged stay in a weightless environment and a broad range of other accidental exposures, such as contact with harmful plants, toxins, or chemicals.
Codes X52 specifically address issues related to a prolonged stay in a weightless environment, relevant for incidents such as extended space travel. The series of codes with seventh character extensions (like X52.XXXA) distinguish between initial encounters, subsequent visits, and sequela—long-term effects following the initial exposure. Meanwhile, X58 codes encompass a wide variety of accidental exposures to other specified factors. These include injuries or reactions from exposure to extreme temperatures, venomous animals or plants, toxic chemicals, contaminated food, and more. The detailed synonyms provided demonstrate the use of X58 codes for incidents ranging from accidental ingestion of toxic berries or mushrooms to exposure to carbon monoxide or industrial accidents. Like X52, these codes use seventh characters to specify initial and subsequent encounters or sequela conditions, helping medical professionals precisely document and classify exposure-related injuries or illnesses.
Questions About This Page
How many codes are in the X52-X58 range?
The X52-X58 range contains 8 ICD-10-CM diagnosis codes in FY 2026. 6 of them are billable, and the rest are category headers that organize the section.
What conditions does X52-X58 cover?
The range covers accidental exposure to other specified factors. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
