O98

O98: Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

Non-billable headerICD-10-CM

O98 is a non-billable header ICD-10-CM code for maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. It cannot be billed on its own: choose one of the more specific child codes below.

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.

herpes gestationis (O26.4-)
infectious carrier state (O99.82-, O99.83-)
obstetrical tetanus (A34)
puerperal infection (O86.-)
puerperal sepsis (O85)
when the reason for maternal care is that the disease is known or suspected to have affected the fetus (O35-O36)

Use additional code

Add a secondary code to capture the detail described below.

code (Chapter 1), to identify specific infectious or parasitic disease

Includes

Conditions this code covers.

the listed conditions when complicating the pregnant state, when aggravated by the pregnancy, or as a reason for obstetric care

Other codes that can never be billed with O98

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

O98.5Other viral diseases complicating pregnancy, childbirth and the puerperium

Risk adjustment

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

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead O98

10 child codes. Green means billable.