O99.51Non-billable (header)
Diseases of the respiratory system complicating pregnancy
Code Hierarchy
┌15Pregnancy, childbirth and the puerperium (O00-O9A)├O94-O9AOther obstetric conditions, not elsewhere classified (O94-O9A)├O99Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
└O99.51Diseases of the respiratory system complicating pregnancy
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