O86.4

O86.4: Pyrexia of unknown origin following delivery

Billable / specific codeICD-10-CM

O86.4 is a billable, specific ICD-10-CM code for pyrexia of unknown origin following delivery. It is valid for submission on a claim.

Check O86.4 with the rest of the claim: free scrubber

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

pyrexia during labor (O75.2)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Puerperal infection NOS following delivery
Puerperal pyrexia NOS following delivery

Excludes2 inherited from the categories above O86.4

Not part of this code, but both may be coded when both are present.

Written on O86: Other puerperal infections

infection during labor (O75.3)
obstetrical tetanus (A34)

Other codes that can never be billed with O86.4

Their own Excludes1 notes name this code, so the conflict is not listed above.

N71Inflammatory disease of uterus, except cervix
O85Puerperal sepsis
R50Fever of other and unknown origin

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

Fever›following delivery
Fever›puerperal
Infection, infected, infective›puerperal
Puerperal, puerperium›fever(of unknown origin)
Puerperal, puerperium›infection
Puerperal, puerperium›pyrexia(of unknown origin)
Pyrexia›puerperal
Infection, infected, infective›puerperal›minor

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under O86