2027 ICD-10-CM Diagnosis Code O86.09Infection of obstetric surgical wound, other surgical site
ICD-10-CM Codes›O00-O9A›O85-O92›O86
- Billable — Valid for Submission
- Not Chronic
O86.09 is a billable ICD-10-CM diagnosis code for infection of obstetric surgical wound, other surgical 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 episiotomy infection. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Complications specified during childbirth.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for O86.09.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Episiotomy infection
- Infection of obstetric surgical wound
- Localized infection of skin AND/OR subcutaneous tissue
- Postoperative wound infection
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to O86.09: 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.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
- 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.
Use Additional Code
Add a second code, after this one, to fully describe the condition.
- 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.
- 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 O86.09, its category, or a range that includes it.
Excludes1 2
These codes carry an Excludes1 note naming O86.09: they are not reported together with it, unless the two conditions are unrelated.
- Block N70-N77 Inflammatory diseases of female pelvic organspregnancy, childbirth and the puerperium (O23.-, O75.3, O85, O86.-) names O86.-, which includes this code
- N71 Inflammatory disease of uterus, except cervixinfection of uterus following delivery (O85, O86.-) names O86.-, which includes this code
Excludes2 4
These codes carry an Excludes2 note naming O86.09: 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 classifiedpuerperal (postpartum) infection (O86.-) names O86.-, which includes this code
- O75.4 Other complications of obstetric surgery and proceduresinfection 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 puerperiumpuerperal infection (O86.-) names O86.-, which includes this code
- T81.4 Infection following a procedureobstetric 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.
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 O86.09 replaces the following previously assigned code(s):
- O86.0 - Infection of obstetric surgical wound
Questions About O86.09Overview
What is the ICD-10 code for infection of obstetric surgical wound, other surgical site?
The ICD-10-CM code for infection of obstetric surgical wound, other surgical site is O86.09 (sometimes written as O8609). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is O86.09 (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, other surgical site on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does O86.09 group to?
When infection of obstetric surgical wound, other surgical 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 O86.09 be reported for?
The Medicare Code Editor checks infection of obstetric surgical wound, other surgical site against patient demographics: this code is intended for maternity cases (age 9 through 64). Claims outside these limits are flagged as inconsistent.
Can O86.09 be reported with a code from T81.4?
Not as a rule. The Excludes1 note at O86.0, which applies to O86.09, 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).
