ICDcodes.org
FY2027

Z65.5 — Exposure to disaster, war and other hostilities

Billable

Is Z65.5 billable?

Yes — Z65.5 is billable for FY2027. Z65.5 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z65.5 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Z65.5 at a glance

CodeZ65.5
DescriptionExposure to disaster, war and other hostilities
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

What Medicare edits apply to Z65.5?

The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z65.5 directly.

Cannot be a principal diagnosis — MCE edit 9

CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.

Which MS-DRGs does Z65.5 group to?

Z65.5 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 951Other Factors Influencing Health Statusmedical

How is Z65.5 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Z65.5. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Exposure › disaster (to)
  • Exposure › war (to)
  • Victim › disaster (of)
  • Victim › war (of)

Excludes1 — never code together

The conditions below can never be reported together with Z65.5 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • target of perceived discrimination or persecution (Z60.5)

How long has Z65.5 existed?

Z65.5 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with Z65.5?

ICD-10-CM declares these codes mutually exclusive with Z65.5 — exactly one of each pair can be correct for a given encounter.

Which conditions are coded to Z65.5?

What other codes are in the Z65 family? (7)