O98.511
✓ Billable
Other viral diseases complicating pregnancy, first trimester
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O98.511
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code O98.511?
ICD-10-CM code O98.511 represents Other viral diseases complicating pregnancy, first trimester. It is a billable diagnosis code in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O98.511 billable?
Yes. O98.511 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is O98.511 in?
O98.511 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O98 category
O98
Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Non-billable
O98.0
Tuberculosis complicating pregnancy, childbirth and the puerperium
Non-billable
O98.1
Syphilis complicating pregnancy, childbirth and the puerperium
Non-billable
O98.2
Gonorrhea complicating pregnancy, childbirth and the puerperium
Non-billable
O98.3
Other infections with a predominantly sexual mode of transmission complicating pregnancy, childbirth and the puerperium
Non-billable
O98.4
Viral hepatitis complicating pregnancy, childbirth and the puerperium
Non-billable
O98.5
Other viral diseases complicating pregnancy, childbirth and the puerperium
Non-billable
O98.6
Protozoal diseases complicating pregnancy, childbirth and the puerperium
Non-billable
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