2027 ICD-10-CM Diagnosis Code O86.02Infection of obstetric surgical wound, deep incisional site

ICD-10-CM Codes›O00-O9A›O85-O92›O86

ICD-10-CM O86.02
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

O86.02 is a billable ICD-10-CM diagnosis code for infection of obstetric surgical wound, deep incisional site. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 769, 776. The code is restricted by the Medicare Code Editor to maternity cases (age 9 through 64). Coders also document this condition as infection of deep obstetric surgical wound. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complications specified during childbirth.

Code Identity

ICD-10-CM Code
O86.02
Billable Status
Yes — Valid for Submission
Code Describes
Infection of obstetric surgical wound, deep incisional site
Short Description
Infection of obstetric surgical wound, deep incisional site
Same as the full description in the CMS dataset.
Parent Code
O86.0
Infection of obstetric surgical wound

Code Classification

ChapterO00-O9APregnancy, childbirth and the puerperium
SectionO85-O92Complications predominantly related to the puerperium
CategoryO86Other puerperal infections
This CodeO86.02Infection of obstetric surgical wound, deep incisional site

Code EditsBilling

Medicare Code Editor checks that affect claim validity for O86.02.

Maternity diagnoses
The Medicare Code Editor detects inconsistencies in maternity cases by checking a patient's age and any diagnosis on the patient's record. The maternity code edits apply to patients age ange is 9–64 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Infection of deep obstetric surgical wound

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to O86.02: its own notes plus those printed at O86.0, O86, block O85-O92, and Chapter 15. A note printed at a category, block or chapter applies to every code under it.

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Intramuscular abscess following an obstetrical procedure
  • Sub-fascial abscess following an obstetrical procedure

Excludes1

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

From O86.0 Infection of obstetric surgical wound applies to 6 codes
  • complications of procedures, not elsewhere classified (T81.4-)
  • postprocedural fever NOS (R50.82)
  • postprocedural retroperitoneal abscess (K68.11)
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.

From O86 Other puerperal infections applies to 17 codes
  • 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.

From O86 Other puerperal infections applies to 17 codes
  • 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 O86.02, its category, or a range that includes it.

Excludes1 2

These codes carry an Excludes1 note naming O86.02: 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.-) names O86.-, which includes this code
  • N71 Inflammatory disease of uterus, except cervix
    infection of uterus following delivery (O85, O86.-) names O86.-, which includes this code

Excludes2 4

These codes carry an Excludes2 note naming O86.02: 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.-) names O86.-, which includes this code
  • O75.4 Other complications of obstetric surgery and procedures
    infection of obstetrical (surgical) wound (O86.0-) names O86.0-, which includes this code
  • O98 Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
    puerperal infection (O86.-) names O86.-, which includes this code
  • T81.4 Infection following a procedure
    obstetric surgical wound infection (O86.0-) names O86.0-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR PRG023
Complications specified during childbirth
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

After Surgery

After any operation, you'll have some side effects. There is usually some pain with surgery. There may also be swelling and soreness around the area that the surgeon cut. Your surgeon can tell you which side effects to expect.

Read the full article at MedlinePlus

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

Code History & ChangesHistory

Replacement O86.02 replaces the following previously assigned code(s):

  • O86.0 - Infection of obstetric surgical wound
FY 2019AddedAdded to the ICD-10-CM code setEffective October 1, 2018.
FY 2020–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About O86.02Overview

What is the ICD-10 code for infection of obstetric surgical wound, deep incisional site?

The ICD-10-CM code for infection of obstetric surgical wound, deep incisional site is O86.02 (sometimes written as O8602). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is O86.02 (Infection of obstetric surgical wound) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report infection of obstetric surgical wound, deep incisional site on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does O86.02 group to?

When infection of obstetric surgical wound, deep incisional site is the principal diagnosis on an inpatient stay, it groups to MS-DRG 769, 776, with relative weights from 0.6718 to 1.6666 depending on complications. Higher weights mean higher Medicare reimbursement.

Who can O86.02 be reported for?

The Medicare Code Editor checks infection of obstetric surgical wound, deep incisional site against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.

Can O86.02 be reported with a code from T81.4?

Not as a rule. The Excludes1 note at O86.0, which applies to O86.02, lists "complications of procedures, not elsewhere classified (T81.4-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).