Z77.123

Z77.123: Contact with and (suspected) exposure to radon and other naturally occurring radiation

Billable / specific codeICD-10-CMPOA exempt

Z77.123 is a billable, specific ICD-10-CM code for contact with and (suspected) exposure to radon and other naturally occurring radiation. It is valid for submission on a claim.

Check Z77.123 with the rest of the claim: free scrubber

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.

radiation exposure as the cause of a confirmed condition (W88-W90, X39.0-)
radiation sickness NOS (T66)

Excludes2 inherited from the categories above Z77.123

Not part of this code, but both may be coded when both are present.

Written on Z77: Other contact with and (suspected) exposures hazardous to health

contact with and (suspected) exposure to communicable diseases (Z20.-)
exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81)
newborn affected by noxious substances transmitted via placenta or breast milk (P04.-)
occupational exposure to risk factors (Z57.-)
retained foreign body (Z18.-)
retained foreign body fully removed (Z87.821)
toxic effects of substances chiefly nonmedicinal as to source (T51-T65)

Other codes that can never be billed with Z77.123

Their own Excludes1 notes name this code, so the conflict is not listed above.

Z13.88Encounter for screening for disorder due to exposure to contaminants
Z03Encounter for medical observation for suspected diseases and conditions ruled out
X39.0Exposure to natural radiation

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Z77.123 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

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