O99.512
BillableDiseases of the respiratory system complicating pregnancy, second trimester
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A lung or breathing condition that occurs during the second three months of pregnancy (weeks 14-26) and affects the pregnancy.
Coding Tips
- •Verify documentation specifies second trimester timing; this is weeks 14-26 of gestation
- •Link with the underlying respiratory diagnosis code to provide complete clinical picture
Code Hierarchy
└O99Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium└O99.5Diseases of the respiratory system complicating pregnancy, childbirth and the puerperium└O99.51Diseases of the respiratory system complicating pregnancy└O99.512Diseases of the respiratory system complicating pregnancy, second trimester
└O99.512Diseases of the respiratory system complicating pregnancy, second trimester