Is Y92.521 a billable ICD-10-CM code?

Yes. Y92.521 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Y92.521 sit in the tabular list?

External causes of morbidity (V00-Y99), in the block Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99).

What cannot be coded together with Y92.521?

Y92.521 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Y92.521 (Y92.5) and apply to it just the same.

Y92.521

Y92.521 — Bus station as the place of occurrence of the external cause

Billable / specific codeICD-10-CMPOA exempt

Y92.521 is a billable, specific ICD-10-CM code for bus station as the place of occurrence of the external cause. It is valid for submission on a claim.

Excludes1 inherited from the categories above Y92.521

These are not written on Y92.521, but they bind it: a note on a category applies to every code beneath it. Billing Y92.521 with anything listed here is a denial.

Written on Y92.5 — Trade and service area as the place of occurrence of the external cause

garage in private home (Y92.015)
schools and other public administration buildings (Y92.2-)

Risk adjustment

Y92.521 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 Y92.521 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 Y92.521.

Place of occurrence›bus›station
Place of occurrence›service area›bus station

Code history

Y92.521 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share Y92.52. If Y92.521 is not quite right, the correct code is usually one of these.

Questions about Y92.521

Is Y92.521 a billable ICD-10-CM code?: Yes. Y92.521 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Y92.521 sit in the tabular list?: External causes of morbidity (V00-Y99), in the block Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99).
What cannot be coded together with Y92.521?: Y92.521 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above Y92.521 (Y92.5) and apply to it just the same.