Is T75.23 a billable ICD-10-CM code?

No. T75.23 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does T75.23 sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Other and unspecified effects of external causes (T66-T78).

What cannot be coded together with T75.23?

T75.23 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

T75.23

T75.23 — Vertigo from infrasound

Non-billable headerICD-10-CM

T75.23 is a non-billable header ICD-10-CM code for vertigo from infrasound. 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 each code from category T75

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

vertigo NOS (R42)

Other codes that can never be billed with T75.23

These codes carry an Excludes1 note pointing at T75.23. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading T75.23 alone.

R42Dizziness and giddiness

Risk adjustment

T75.23 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 T75.23 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 T75.23.

Vertigo›due to infrasound
Vertigo›infrasound
Vibration›vertigo
Vibration›adverse effects›vertigo from infrasound

Code to one of these instead T75.23

3 child codes. Green means billable.

Related codes at this level

Codes that share T75.2. If T75.23 is not quite right, the correct code is usually one of these.

Questions about T75.23

Is T75.23 a billable ICD-10-CM code?: No. T75.23 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does T75.23 sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Other and unspecified effects of external causes (T66-T78).
What cannot be coded together with T75.23?: T75.23 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.