2027 ICD-10-CM Diagnosis Code O86Other puerperal infections

ICD-10-CM Codes›O00-O9A›O85-O92›O86

ICD-10-CM O86
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

O86 is a non-billable ICD-10-CM category code for other puerperal infections, so it cannot be submitted on claims. Use a more specific code from this category instead, such as O86.00, O86.01, O86.02, and O86.03.

Code Identity

ICD-10-CM Code
O86
Billable Status
No — Non-Billable Category
Code Describes
Other puerperal infections
Short Description
Other puerperal infections
Same as the full description in the CMS dataset.
Chapter
O85-O92
Complications predominantly related to the puerperium

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO85-O92Complications predominantly related to the puerperium
CategoryO86Other puerperal infections
This CodeO86Other puerperal infections

Specific Coding for Other puerperal infectionsOverview

Non-specific codes like O86 require more characters. Use one of these billable codes instead:

  • O86.0 for Infection of obstetric surgical wound

  • Use O86.00 for Infection of obstetric surgical wound, unspecified

  • Use O86.01 for Infection of obstetric surgical wound, superficial incisional site

  • Use O86.02 for Infection of obstetric surgical wound, deep incisional site

  • Use O86.03 for Infection of obstetric surgical wound, organ and space site

  • Use O86.04 for Sepsis following an obstetrical procedure

  • Use O86.09 for Infection of obstetric surgical wound, other surgical site

  • O86.1 for Other infection of genital tract following delivery

  • Use O86.11 for Cervicitis following delivery

  • Use O86.12 for Endometritis following delivery

  • Use O86.13 for Vaginitis following delivery

  • Use O86.19 for Other infection of genital tract following delivery

  • O86.2 for Urinary tract infection following delivery

  • Use O86.20 for Urinary tract infection following delivery, unspecified

  • Use O86.21 for Infection of kidney following delivery

  • Use O86.22 for Infection of bladder following delivery

  • Use O86.29 for Other urinary tract infection following delivery

  • Use O86.4 for Pyrexia of unknown origin following delivery

  • O86.8 for Other specified puerperal infections

  • Use O86.81 for Puerperal septic thrombophlebitis

  • Use O86.89 for Other specified puerperal infections

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to O86: its own notes plus those printed at block O85-O92 and Chapter 15. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • supervision of normal pregnancy (Z34.-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

On O86 itself
  • infection during labor (O75.3)
  • obstetrical tetanus (A34)
From Block O85-O92 Complications predominantly related to the puerperium applies to 114 codes
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • puerperal osteomalacia (M83.0)
From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • 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

Add a second code, after this one, to fully describe the condition.

On O86 itself
  • code (B95-B97), to identify infectious agent
From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.

Notes

General instructions on how these codes are used.

From Chapter 15 (O00-O9A) Pregnancy, childbirth and the puerperium applies to 2,481 codes
  • CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
  • Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • 1st trimester- less than 14 weeks 0 days
  • 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • 3rd trimester- 28 weeks 0 days until delivery

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name O86, its category, or a range that includes it.

Excludes1 2

These codes carry an Excludes1 note naming O86: they are not reported together with it, unless the two conditions are unrelated.

  • Block N70-N77 Inflammatory diseases of female pelvic organs
    pregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-)
  • N71 Inflammatory disease of uterus, except cervix
    infection of uterus following delivery (O85, O86.-)

Excludes2 2

These codes carry an Excludes2 note naming O86: its condition is not part of those codes, and both may be reported when the patient has both.

  • O75 Other complications of labor and delivery, not elsewhere classified
    puerperal (postpartum) infection (O86.-)
  • O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
    puerperal infection (O86.-)

Patient EducationClinical

Infections and Pregnancy

During pregnancy, some common infections such as the common cold or a skin infection do not usually cause serious problems. Some infections, such as the flu, can be more severe when you're pregnant. But other infections can be harmful to you, your fetus, or both.

The full article covers:

  • How can infections affect your pregnancy?
  • What infections can be harmful during pregnancy?
  • What are the symptoms of an infection during pregnancy?
  • What are the treatments for infections during pregnancy?
  • Can infections during pregnancy be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About O86Overview

What is the ICD-10 code for other puerperal infections?

O86 is the ICD-10-CM category for other puerperal infections, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is O86 (Other puerperal infections) a billable code?

No. This is a category header that groups the codes for other puerperal infections, and headers cannot be submitted on claims. Claims for other puerperal infections need a more specific code from this category, such as O86.00, O86.01, and O86.02.

Does O86 need an additional code?

When the condition applies, yes. The Use Additional Code note reads: code (B95-B97), to identify infectious agent. The additional code is reported after O86.