Contact with and (suspected) exposure to blast overpressure
Factors Influencing Health Status and Contact with Health Services·Other contact with and (suspected) exposures hazardous to health·subcategory·FY 2027
4 billable codes under Z77.4: none are a CC or MCC; none map to an HCC.
Poisoning: A poison is any substance that is harmful to your body. You might swallow it, inhale it, inject it, or absorb it through your skin. Any substance can be poisonous if too much is taken. Poisons can include:
Read more about poisoning on MedlinePlus · Source: MedlinePlus, National Library of Medicine
Instructional notes
Also applies, from Z77: Other contact with and (suspected) exposures hazardous to health
These notes sit on Z77 and apply to every code under it, including Z77.4.
Includes: conditions that are coded here
- contact with and (suspected) exposures to potential hazards to health
Excludes2: not included here, code separately if applicable
- 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)
Also applies, from Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
These notes sit on Z77-Z99 and apply to every code under it, including Z77.4.
Code also: add a code for this too, order depends on the encounter
- any follow-up examination (Z08-Z09)
All codes under Z77.4
Z77.4 can't be used on a claim. Pick a billable code below; grey headings group them.
MS-DRGs
As the principal diagnosis, all 4 billable codes under Z77.4 group to these MS-DRGs (v44.0).