ICD10BillableValid for clinical use

ICD-10 Code Z92.3: Personal history of irradiation

Z92.3 is a billable ICD-10 diagnosis code used to classify Personal history of irradiation in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

When is it used?

  • May be used when a clinician documents personal history of irradiation in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
21Factors influencing health status and contact with health services (Z00-Z99)
block
Z77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
category
Z92Personal history of medical treatment
currentZ92

Official coding notes

Inclusion terms
  • Personal history of exposure to therapeutic radiation
Excludes1 (do not code together)
  • exposure to radiation in the physical environment (Z77.12)
  • occupational exposure to radiation (Z57.1)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General Physician

Coverage-related procedures and services

HCPCS G0339high
IMAGE-GUIDED ROBOTIC LINEAR ACCELERATOR-BASED STEREOTACTIC RADIOSURGERY, COMPLETE COURSE OF THERAPY IN ONE SESSION OR FIRST SESSION OF FRACTIONATED TREATMENT
Source: CMS coverage guidance
HCPCS G0340high
IMAGE-GUIDED ROBOTIC LINEAR ACCELERATOR-BASED STEREOTACTIC RADIOSURGERY, DELIVERY INCLUDING COLLIMATOR CHANGES AND CUSTOM PLUGGING, FRACTIONATED TREATMENT, ALL LESIONS, PER SESSION, SECOND THROUGH FIFTH SESSIONS, MAXIMUM FIVE SESSIONS PER COURSE OF TREATMENT
Source: CMS coverage guidance
CPT 77373high
STEREOTACTIC BODY RADIATION THERAPY, TREATMENT DELIVERY, PER FRACTION TO 1 OR MORE LESIONS, INCLUDING IMAGE GUIDANCE, ENTIRE COURSE NOT TO EXCEED 5 FRACTIONS
Source: CMS coverage guidance
CPT 77435high
STEREOTACTIC BODY RADIATION THERAPY, TREATMENT MANAGEMENT, PER TREATMENT COURSE, TO 1 OR MORE LESIONS, INCLUDING IMAGE GUIDANCE, ENTIRE COURSE NOT TO EXCEED 5 FRACTIONS
Source: CMS coverage guidance
CPT 0349Uhigh
DRUG METABOLISM OR PROCESSING (MULTIPLE CONDITIONS), WHOLE BLOOD OR BUCCAL SPECIMEN, DNA ANALYSIS, 27 GENE REPORT, WITH VARIANT ANALYSIS, INCLUDING REPORTED PHENOTYPES AND IMPACTED GENE-DRUG INTERACTIONS
Source: CMS coverage guidance
CPT 81381high
HLA CLASS I TYPING, HIGH RESOLUTION (IE, ALLELES OR ALLELE GROUPS); ONE ALLELE OR ALLELE GROUP (EG, B*57:01P), EACH
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
Z92.3

Common synonyms

Personal history of irradiation

Frequently asked questions

Code details

CodeZ92.3
SystemICD10
Display namePersonal history of irradiation
ChapterFactors influencing health status and contact with health services (Z00-Z99)
BlockPersons with potential health hazards related to family and personal history and certain conditions influencing health status

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
HistoryHistory

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.