O86.12 Endometritis following delivery

The ICD-10-CM code for Endometritis following delivery is O86.12 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

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

Section

O85-O92: Complications predominantly related to the puerperium (O85-O92)

Category O86

22 codes (17 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to O86.12:

• Endometritis (decidual) (nonspecific) (purulent) (senile) (atrophic) (suppurative) › puerperal, postpartum, childbirth
• Puerperal, puerperium (complicated by, complications) › pyometra
• Puerperal, puerperium (complicated by, complications) › perimetritis
• Puerperal, puerperium (complicated by, complications) › abscess › uterus
• Pregnancy (single) (uterine) › complicated by (care of) (management affected by) › endometritis

U.S. Hospital Utilization

• An estimated 17,305 U.S. inpatient stays in 2023 included O86.12 among the documented diagnoses.
• 4,735 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)