O98.91Header code — not billable
Unspecified maternal infectious and parasitic disease complicating pregnancy
Short description: Unsp maternal infec/parastc disease complicating pregnancy
- Chapter
- 15. Pregnancy, childbirth and the puerperium
- Category
- O98
- Effective date
- October 1, 2026
Related codes in category O98
O98Matern infec/parastc dis classd elsw but compl preg/chldbrthO98.0Tuberculosis compl preg/chldbrthO98.01Tuberculosis complicating pregnancyO98.011Tuberculosis complicating pregnancy, first trimesterYesO98.012Tuberculosis complicating pregnancy, second trimesterYesO98.013Tuberculosis complicating pregnancy, third trimesterYesO98.019Tuberculosis complicating pregnancy, unspecified trimesterYesO98.02Tuberculosis complicating childbirthYesO98.03Tuberculosis complicating the puerperiumYesO98.1Syphilis compl preg/chldbrthO98.11Syphilis complicating pregnancyO98.111Syphilis complicating pregnancy, first trimesterYes
Frequently asked questions
What is ICD-10 code O98.91?
O98.91 is an ICD-10-CM diagnosis code for Unspecified maternal infectious and parasitic disease complicating pregnancy.
Is O98.91 a billable code?
No. O98.91 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 O98.91 in?
O98.91 falls under Chapter 15: Pregnancy, childbirth and the puerperium.
When did O98.91 become effective?
O98.91 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to O98.91?
O98.91 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.