Is Z92.3 a billable ICD-10-CM code?

Yes. Z92.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z92.3 sit in the tabular list?

Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).

What cannot be coded together with Z92.3?

Z92.3 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

Z92.3

Z92.3 — Personal history of irradiation

Billable / specific codeICD-10-CMPOA exempt

Z92.3 is a billable, specific ICD-10-CM code for personal history of irradiation. It is valid for submission on a claim.

Excludes1 — never code together

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

exposure to radiation in the physical environment (Z77.12)
occupational exposure to radiation (Z57.1)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Personal history of exposure to therapeutic radiation

Risk adjustment

Z92.3 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.

Medicare coverage

Z92.3 is named in 10 Medicare coverage policies — 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56827Billing and Coding: Proton Beam Therapy
A56874Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT)
A56874Billing and Coding: Stereotactic Radiation Therapy: Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiation Therapy (SBRT)
A57029Billing and Coding: Ultrasound, Soft Tissues of Head and Neck

How Z92.3 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 Z92.3.

History›personal›irradiation
History›personal›radiation therapy

Related codes at this level

Codes that share Z92. If Z92.3 is not quite right, the correct code is usually one of these.

Questions about Z92.3

Is Z92.3 a billable ICD-10-CM code?: Yes. Z92.3 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z92.3 sit in the tabular list?: Factors influencing health status and contact with health services (Z00-Z99), in the block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99).
What cannot be coded together with Z92.3?: Z92.3 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.