ICD-10-CM › O00-O9A › O85-O92 › O86 Other puerperal infections › O86.4
Pyrexia of unknown origin following delivery
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Pyrexia of unknown origin following delivery
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from O86 Other puerperal infections
Excludes2 - not included here
- infection during labor (O75.3)
- obstetrical tetanus (A34)
Use additional code
- code (B95-B97), to identify infectious agent
Inherited from the O85-O92 section Complications predominantly related to the puerperium (O85-O92)
Excludes2 - not included here
- mental and behavioral disorders associated with the puerperium (F53.-)
- puerperal osteomalacia (M83.0)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Postpartum
- Puerperium
- Febris, febrile
- Complication > puerperium
- Fever > viral hemorrhagic
- Disease, diseased > puerperal
- Puerperal, puerperium > diabetes > gestational
- Fever > puerperal
- Pyrexia > puerperal
- Fever > following delivery
- Puerperal, puerperium > fever
- Puerperal, puerperium > pyrexia
- Puerperal, puerperium > infection
- Infection, infected, infective > puerperal
- Infection, infected, infective > puerperal > minor
Codes in the same group
| Code | Description | Status |
|---|---|---|
| O86.0 | Infection of obstetric surgical wound | Not billable |
| O86.1 | Other infection of genital tract following delivery | Not billable |
| O86.2 | Urinary tract infection following delivery | Not billable |
| O86.8 | Other specified puerperal infections | Not billable |