O9A.23 Injury, poisoning and certain other consequences of external causes complicating the puerperium

The ICD-10-CM code for Injury, poisoning and certain other consequences of external causes complicating the puerperium is O9A.23 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

15: Pregnancy, childbirth and the puerperium (O00-O9A)

Section

O94-O9A: Other obstetric conditions, not elsewhere classified (O94-O9A)

Category O9A

41 codes (30 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O9A.23:

• Puerperal, puerperium (complicated by, complications) › trauma, non-obstetric

U.S. Hospital Utilization

• An estimated 3,020 U.S. inpatient stays in 2023 included O9A.23 among the documented diagnoses.
• 340 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)