All ICD10 Codes

Y99.1

Billable
ChapterV00–Y99
Ranksubcategory
Official Description

Military activity

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • activity of off duty military personnel (Y99.8)

Clinical Hierarchy

BillableHas subcodes
CH20External causes of morbidity (V00-Y99)
Y90-Y99Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99)
Y99External cause status
Y99.1Military activityBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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