Is Z77.22 a billable ICD-10-CM code?

Yes. Z77.22 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does Z77.22 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 Z77.22?

Z77.22 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

Z77.22

Z77.22 — Contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic)

Billable / specific codeICD-10-CM

Z77.22 is a billable, specific ICD-10-CM code for contact with and (suspected) exposure to environmental tobacco smoke (acute) (chronic). 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.

nicotine dependence (F17.-)
tobacco use (Z72.0)

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

occupational exposure to environmental tobacco smoke (Z57.31)

Inclusion terms

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

Exposure to second hand tobacco smoke (acute) (chronic)
Passive smoking (acute) (chronic)

Risk adjustment

Z77.22 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

Z77.22 is named in 1 Medicare coverage policy — 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56448Billing and Coding: Breast Imaging Mammography/Breast Echography (Sonography)/Breast MRI/Ductography

How Z77.22 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 Z77.22.

Second hand tobacco smoke exposure(acute) (chronic)
Exposure›environmental tobacco smoke(acute) (chronic)
Exposure›second hand tobacco smoke(acute) (chronic)
Passive›smoking
Smoking›passive
Exposure›smoke›tobacco, second hand

Related codes at this level

Codes that share Z77.2. If Z77.22 is not quite right, the correct code is usually one of these.

Questions about Z77.22

Is Z77.22 a billable ICD-10-CM code?: Yes. Z77.22 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Z77.22 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 Z77.22?: Z77.22 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.