Is X58.XXXA a billable ICD-10-CM code?

Yes. X58.XXXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does X58.XXXA sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Accidental exposure to other specified factors (X52-X58).

X58.XXXA

X58.XXXA — Exposure to other specified factors, initial encounter

Billable / specific codeICD-10-CM

X58.XXXA is a billable, specific ICD-10-CM code for exposure to other specified factors, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

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.XXXA 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.

Related codes at this level

Codes that share X58. If X58.XXXA is not quite right, the correct code is usually one of these.

Questions about X58.XXXA

Is X58.XXXA a billable ICD-10-CM code?: Yes. X58.XXXA is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does X58.XXXA sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Accidental exposure to other specified factors (X52-X58).