ICD-10-CM 2027
ICD-10 code for Pyometra puerperal
Endometritis following delivery
From the official ICD-10-CM alphabetic index entry “Puerperal, puerperium (complicated by, complications) › pyometra”. Page updated September 29, 2026.
About coding Pyometra puerperal
The ICD-10-CM code for Pyometra puerperal is O86.12 (Endometritis following delivery).
Within O86.1 (other infection of genital tract following delivery), O86.12 is specifically for endometritis following delivery. Related codes cover cervicitis following delivery (O86.11), vaginitis following delivery (O86.13) and other infection of genital tract following delivery (O86.19).
Use an additional code (B95-B97), to identify infectious agent.
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
Common questions about Pyometra puerperal ICD-10 codes
What is the ICD-10 code for Pyometra puerperal?
- O86.12 — Endometritis following delivery.
Is O86.12 billable?
- Yes. O86.12 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can O86.12 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict O86.12 as a principal diagnosis.
Is O86.12 a CC or MCC?
- O86.12 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.