X58 — Exposure to other specified factors
X58 is a non-billable header ICD-10-CM code for exposure to other specified factors. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to code X58
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Accident NOS
- Exposure NOS
Risk adjustment
X58 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How X58 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to X58.
- Abandonment NEC(causing exposure to weather conditions) (with intent to injure or kill)
- Abuse(adult) (child) (mental) (physical) (sexual)
- Accident(to)
- Arachnidism, arachnoidism
- Battered(baby) (child) (person) (syndrome)
- Blow
- Casualty NEC(not due to war)
- Cruelty(mental) (physical) (sexual)
- Crushed(accidentally)
- Decapitation NEC(accidental circumstances)
- Dehydration from lack of water
- Deprivation
Code to one of these instead X58
3 child codes. Green means billable.
Questions about X58
- Is X58 a billable ICD-10-CM code?
- No. X58 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does X58 sit in the tabular list?
- External causes of morbidity (V00-Y99), in the block Accidental exposure to other specified factors (X52-X58).