O98.51Header code — not billable

Other viral diseases complicating pregnancy

Chapter
15. Pregnancy, childbirth and the puerperium
Category
O98
Effective date
October 1, 2026

Related codes in category O98

Frequently asked questions

What is ICD-10 code O98.51?

O98.51 is an ICD-10-CM diagnosis code for Other viral diseases complicating pregnancy.

Is O98.51 a billable code?

No. O98.51 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is O98.51 in?

O98.51 falls under Chapter 15: Pregnancy, childbirth and the puerperium.

When did O98.51 become effective?

O98.51 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to O98.51?

O98.51 belongs to category O98, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.