O98

Non-billable

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

O98 is the ICD-10-CM code for Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. It is a non-billable category code — use a more specific child code such as O98.0 for billing.

Status
Header (non-billable)
Chapter
O00-O9A
Subcodes
10
Edition
FY2026

O00-O9A Pregnancy, childbirth and the puerperium

What this means — in plain language

MedlinePlus · NIH

Childbirth is the process of giving birth to a baby. It includes labor and delivery. Usually everything goes well, but problems can happen. They may cause a risk to the mother, baby, or both. Some of the more common childbirth problems include: Preterm (premature) labor , when your labor starts before 37 completed weeks of pregnancy Premature rupture of membranes (PROM), when your water breaks too early. If labor…

Read more about Childbirth Problems at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

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

Excludes2 — not included here

  • 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

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

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code O98?
O98 is the ICD-10-CM code for "Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium". It falls under O00-O9A Pregnancy, childbirth and the puerperium.
Is O98 a billable code?
No — O98 is a non-billable header code. Use a more specific child code (such as O98.0) for billing.
What are the subcodes of O98?
O98 has 10 more specific child codes, including O98.0, O98.1, O98.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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