All ICD10 Codes

O85

Billable
ChapterO00–O9A
Rankcategory
Official Description

Puerperal sepsis

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 15: Pregnancy, Childbirth and the Puerperium (O00-O9A).

CH15 Parent Instructions

Excludes1(Not coded here)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
Use Additional Code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

O85-O92 Parent Instructions

Excludes2(Not included here)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • puerperal osteomalacia (M83.0)

Instructional Notes

Includes
  • Postpartum sepsis
  • Puerperal peritonitis
  • Puerperal pyemia
Excludes1(Not coded here)
  • fever of unknown origin following delivery (O86.4)
  • obstetric pyemic and septic embolism (O88.3-)
  • puerperal septic thrombophlebitis (O86.81)
Excludes2(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

Clinical Hierarchy

CH15Pregnancy, childbirth and the puerperium (O00-O9A)
O85-O92Complications predominantly related to the puerperium (O85-O92)
O85Puerperal sepsis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to O85:

blockO85-O92
Complications predominantly related to the puerperium (O85-O92)
View context instructions
chapterCH15
Pregnancy, childbirth and the puerperium (O00-O9A)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to O85. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

21 raw paths
Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)1 unique routes
peritoneum, peritoneal (perforated) (ruptured)
puerperal, postpartum, childbirth→O85
Infection, infected, infective (opportunistic)2 unique routes
major
puerperal, postpartum, childbirth→O85
puerperal
major or generalized→O85
Pelviperitonitis1 unique routes
puerperal→O85
Peritonitis (adhesive) (bacterial) (fibrinous) (hemorrhagic) (idiopathic) (localized) (perforative) (primary) (with adhesions) (with effusion)1 unique routes
puerperal, postpartum, childbirth→O85
Puerperal, puerperium (complicated by, complications)13 unique routes
abscess
peritoneum→O85
fever (of unknown origin)
septic→O85
infection(2 variants)
generalized→O85
peritoneum→O85
metroperitonitis→O85
parametritis→O85
pelviperitonitis→O85
peritoneal infection→O85
peritonitis (pelvic)→O85
pyemia→O85
pyohemia→O85
salpingoperitonitis→O85
sepsis (pelvic)→O85
Pyemia, pyemic (fever) (infection) (purulent)1 unique routes
puerperal, postpartum, childbirth→O85
Sepsis (generalized) (unspecified organism)2 unique routes
pelvic, puerperal, postpartum, childbirth→O85
puerperal, postpartum, childbirth (pelvic)→O85

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 769
Postpartum and Post Abortion Diagnoses with O.R. Procedures
DRG 776
Postpartum and Post Abortion Diagnoses without O.R. Procedures

Cross Reference

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