O99.412
BillableDiseases of the circulatory 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 pregnant woman has a heart or blood vessel disease during the fourth through sixth months of pregnancy.
Coding Tips
- •Document the underlying cardiovascular diagnosis separately for specificity
- •The fifth character '2' indicates second trimester; confirm gestational age in medical record
Code Hierarchy
└O99Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium└O99.4Diseases of the circulatory system complicating pregnancy, childbirth and the puerperium└O99.41Diseases of the circulatory system complicating pregnancy└O99.412Diseases of the circulatory system complicating pregnancy, second trimester
└O99.412Diseases of the circulatory system complicating pregnancy, second trimester