ICD-10-CM › Z00-Z99 › Z77-Z99 › Z77.4 Contact with and (suspected)... › Z77.41

Valid for claims with a date of service in the current code year.

Valid FY2027 onwards.

What has happened to this code

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from Z77 Other contact with and (suspected) exposures hazardous to health

Excludes2 - not included here

• 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)

Includes

• contact with and (suspected) exposures to potential hazards to health

Inherited from the Z77-Z99 section Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Code also

• any follow-up examination (Z08-Z09)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

• Exposure
• Contact > blast overpressure NOS > low-level
• Exposure > blast overpressure NOS > low-level

Codes in the same group

Code	Description	Status
Z77.40	Contact with and (suspected) exposure to unspecified blast overpressure	Valid
Z77.42	Contact with and (suspected) exposure to high-level blast overpressure	Valid
Z77.49	Contact with and (suspected) exposure to other blast overpressure	Valid