ICD-10-CM · Chapter 15 · O00-O9A

O85 Puerperal sepsis

Billable

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

Includes

Postpartum sepsis
Puerperal peritonitis
Puerperal pyemia

Excludes 1 (cannot be coded together)

fever of unknown origin following delivery (O86.4)
obstetric pyemic and septic embolism (O88.3-)
puerperal septic thrombophlebitis (O86.81)

Excludes 2 (not included here)

genital tract infection following delivery (O86.1-)
sepsis during labor (O75.3)
urinary tract infection following delivery (O86.2-)

Use Additional Code

code (B95-B97), to identify infectious agent
code (R65.2-) to identify severe sepsis, if applicable

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This category is a complete, billable diagnosis code.

No additional specificity is required — submit O85 directly on claims and documentation without a subcode extension.

Last reviewed: September 2026