Z77.123

Billable
ChapterZ00–Z99
Ranksubcategory
Official Description

Contact with and (suspected) exposure to radon and other naturally occurring radiation

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • radiation exposure as the cause of a confirmed condition (W88-W90, X39.0-)
  • radiation sickness NOS (T66)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH21Factors influencing health status and contact with health services (Z00-Z99)
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Z77Other contact with and (suspected) exposures hazardous to health
Z77.1Contact with and (suspected) exposure to environmental pollution and hazards in the physical environment
Z77.12Contact with and (suspected) exposure to hazards in the physical environment
Z77.123Contact with and (suspected) exposure to radon and other naturally occurring radiationBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z77.123:

categoryZ77
Other contact with and (suspected) exposures hazardous to health
View context instructions
blockZ77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Cross Reference

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