ICD-10 Code: O99.511 – Diseases of the respiratory system complicating pregnancy, first trimester

ICD-10 code O99.511 corresponds to Diseases of the respiratory system complicating pregnancy, first trimester. This code is classified under the chapter O99 Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium, which is part of the O94-O9A: Other obstetric conditions, not elsewhere classified category.

The parent chapter is Pregnancy, childbirth and the puerperium.