ICD-10-CM O98: Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium

ICD-10-CM Diagnosis Code (2025)

Official Description for O98

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

Coding Notes & Guidelines for O98

Includes Notes

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

Excludes1: Not Coded Here

human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium (O98.7-)

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

Use Additional Code
  • code to identify the type of HIV disease:
  • Acquired immune deficiency syndrome (AIDS) (B20)
  • Asymptomatic HIV status (Z21)
  • HIV positive NOS (Z21)
  • Symptomatic HIV disease (B20)
Inclusion Terms

Conditions in A15-A19

Inclusion Terms

Conditions in A50-A53

Inclusion Terms

Conditions in A54.-

Inclusion Terms

Conditions in A55-A64

Inclusion Terms

Conditions in B15-B19

Inclusion Terms

Conditions in A80-B09, B25-B34, R87.81-, R87.82-

Inclusion Terms

Conditions in B50-B64

Child Codes (More Specific Codes for O98):

O98.0 - Tuberculosis complicating pregnancy, childbirth and the puerperium O98.01 - Tuberculosis complicating pregnancy O98.011 - Tuberculosis complicating pregnancy, first trimester O98.012 - Tuberculosis complicating pregnancy, second trimester O98.013 - Tuberculosis complicating pregnancy, third trimester O98.019 - Tuberculosis complicating pregnancy, unspecified trimester O98.02 - Tuberculosis complicating childbirth O98.03 - Tuberculosis complicating the puerperium O98.1 - Syphilis complicating pregnancy, childbirth and the puerperium O98.11 - Syphilis complicating pregnancy O98.111 - Syphilis complicating pregnancy, first trimester O98.112 - Syphilis complicating pregnancy, second trimester O98.113 - Syphilis complicating pregnancy, third trimester O98.119 - Syphilis complicating pregnancy, unspecified trimester O98.12 - Syphilis complicating childbirth O98.13 - Syphilis complicating the puerperium O98.2 - Gonorrhea complicating pregnancy, childbirth and the puerperium O98.21 - Gonorrhea complicating pregnancy O98.211 - Gonorrhea complicating pregnancy, first trimester O98.212 - Gonorrhea complicating pregnancy, second trimester O98.213 - Gonorrhea complicating pregnancy, third trimester O98.219 - Gonorrhea complicating pregnancy, unspecified trimester O98.22 - Gonorrhea complicating childbirth O98.23 - Gonorrhea complicating the puerperium O98.3 - Other infections with a predominantly sexual mode of transmission complicating pregnancy, childbirth and the puerperium O98.31 - Other infections with a predominantly sexual mode of transmission complicating pregnancy O98.311 - Other infections with a predominantly sexual mode of transmission complicating pregnancy, first trimester O98.312 - Other infections with a predominantly sexual mode of transmission complicating pregnancy, second trimester O98.313 - Other infections with a predominantly sexual mode of transmission complicating pregnancy, third trimester O98.319 - Other infections with a predominantly sexual mode of transmission complicating pregnancy, unspecified trimester O98.32 - Other infections with a predominantly sexual mode of transmission complicating childbirth O98.33 - Other infections with a predominantly sexual mode of transmission complicating the puerperium O98.4 - Viral hepatitis complicating pregnancy, childbirth and the puerperium O98.41 - Viral hepatitis complicating pregnancy O98.411 - Viral hepatitis complicating pregnancy, first trimester O98.412 - Viral hepatitis complicating pregnancy, second trimester O98.413 - Viral hepatitis complicating pregnancy, third trimester O98.419 - Viral hepatitis complicating pregnancy, unspecified trimester O98.42 - Viral hepatitis complicating childbirth O98.43 - Viral hepatitis complicating the puerperium O98.5 - Other viral diseases complicating pregnancy, childbirth and the puerperium O98.51 - Other viral diseases complicating pregnancy O98.511 - Other viral diseases complicating pregnancy, first trimester O98.512 - Other viral diseases complicating pregnancy, second trimester O98.513 - Other viral diseases complicating pregnancy, third trimester O98.519 - Other viral diseases complicating pregnancy, unspecified trimester O98.52 - Other viral diseases complicating childbirth O98.53 - Other viral diseases complicating the puerperium O98.6 - Protozoal diseases complicating pregnancy, childbirth and the puerperium O98.61 - Protozoal diseases complicating pregnancy O98.611 - Protozoal diseases complicating pregnancy, first trimester O98.612 - Protozoal diseases complicating pregnancy, second trimester O98.613 - Protozoal diseases complicating pregnancy, third trimester O98.619 - Protozoal diseases complicating pregnancy, unspecified trimester O98.62 - Protozoal diseases complicating childbirth O98.63 - Protozoal diseases complicating the puerperium O98.7 - Human immunodeficiency virus [HIV] disease complicating pregnancy, childbirth and the puerperium O98.71 - Human immunodeficiency virus [HIV] disease complicating pregnancy O98.711 - Human immunodeficiency virus [HIV] disease complicating pregnancy, first trimester O98.712 - Human immunodeficiency virus [HIV] disease complicating pregnancy, second trimester O98.713 - Human immunodeficiency virus [HIV] disease complicating pregnancy, third trimester O98.719 - Human immunodeficiency virus [HIV] disease complicating pregnancy, unspecified trimester O98.72 - Human immunodeficiency virus [HIV] disease complicating childbirth O98.73 - Human immunodeficiency virus [HIV] disease complicating the puerperium O98.8 - Other maternal infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium O98.81 - Other maternal infectious and parasitic diseases complicating pregnancy O98.811 - Other maternal infectious and parasitic diseases complicating pregnancy, first trimester O98.812 - Other maternal infectious and parasitic diseases complicating pregnancy, second trimester O98.813 - Other maternal infectious and parasitic diseases complicating pregnancy, third trimester O98.819 - Other maternal infectious and parasitic diseases complicating pregnancy, unspecified trimester O98.82 - Other maternal infectious and parasitic diseases complicating childbirth O98.83 - Other maternal infectious and parasitic diseases complicating the puerperium O98.9 - Unspecified maternal infectious and parasitic disease complicating pregnancy, childbirth and the puerperium O98.91 - Unspecified maternal infectious and parasitic disease complicating pregnancy O98.911 - Unspecified maternal infectious and parasitic disease complicating pregnancy, first trimester O98.912 - Unspecified maternal infectious and parasitic disease complicating pregnancy, second trimester O98.913 - Unspecified maternal infectious and parasitic disease complicating pregnancy, third trimester O98.919 - Unspecified maternal infectious and parasitic disease complicating pregnancy, unspecified trimester O98.92 - Unspecified maternal infectious and parasitic disease complicating childbirth O98.93 - Unspecified maternal infectious and parasitic disease complicating the puerperium

About ICD-10-CM Code O98 (Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy)

ICD-10-CM code O98 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM O98 became effective on October 1, 2024.

This page provides detailed information about O98 - Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Maternal infectious and parasitic diseases classifiable elsewhere but complicating pregnancy related to childbirth and the puerperium.