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ICD-10-CM 2027 diagnosis code

O86.0Infection of obstetric surgical wound

Not billable — use a more specific code

O86.0 is a header code, so it can't be reported by itself. Choose one of the 6 more specific codes beneath it.

Code last changed in FY2019 (effective October 1, 2018). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About O86.0

O86.0 is the ICD-10-CM diagnosis code for infection of obstetric surgical wound. It belongs to category O86 (other puerperal infections), block O85-O92 (complications predominantly related to the puerperium) and chapter 15 (pregnancy, childbirth and the puerperium). It is a header code, so it can't be reported by itself; one of its 6 subcodes must be used instead.

Within O86 (other puerperal infections), O86.0 is specifically for infection of obstetric surgical wound. Related codes cover other infection of genital tract following delivery (O86.1), urinary tract infection following delivery (O86.2), pyrexia of unknown origin following delivery (O86.4) and other specified puerperal infections (O86.8).

To report this condition, pick the subcode that matches the documentation: O86.00 (unspecified), O86.01 (superficial incisional site), O86.02 (deep incisional site), O86.03 (organ and space site), O86.04 (procedure) and O86.09 (other surgical site).

Don't report O86.0 together with the conditions in its Excludes1 note: complications of procedures, not elsewhere classified (T81.4-), postprocedural fever NOS (R50.82) and postprocedural retroperitoneal abscess (K68.11).

Use an additional code (B95-B97), to identify infectious agent.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015, and changed in FY2019 (expanded into subcodes).

Before ICD-10, this condition was coded in ICD-9-CM as 674.32 (other complications of obstetrical surgical wounds, delivered, with mention of postpartum complication) and 674.34 (other complications of obstetrical surgical wounds, postpartum condition or complication).

Specific codes under O86.0

Coding notes

Applicable toConditions and synonyms classified to this code
  • Infected cesarean delivery wound following delivery
  • Infected perineal repair following delivery
Excludes1Not coded here — never report together with this code
  • complications of procedures, not elsewhere classified (T81.4-)
  • postprocedural fever NOS (R50.82)
  • postprocedural retroperitoneal abscess (K68.11)

Notes that apply from higher levels

Instructions written at a parent level also apply to O86.0.

› From O86 Other puerperal infections
Excludes2
  • infection during labor (O75.3)
  • obstetrical tetanus (A34)
Use additional code
  • code (B95-B97), to identify infectious agent

Broader instructions also apply from O85-O92 Complications predominantly related to the puerperium and Chapter 15: Pregnancy, childbirth and the puerperium.

Codes whose notes reference O86.0

ICD-9-CM equivalent

Converter →
  • 674.32Other complications of obstetrical surgical wounds, delivered, with mention of postpartum complicationapproximate
  • 674.34Other complications of obstetrical surgical wounds, postpartum condition or complicationapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • FY2019 (effective 10/1/2018): Expanded — no longer billable

Common questions about O86.0

Is O86.0 billable?

No. O86.0 is a header code. Report one of its more specific subcodes instead.

What is the ICD-9 code for O86.0?

The CMS General Equivalence Mappings map O86.0 to ICD-9-CM 674.32 and 674.34.