O99.343
BillableOther mental disorders complicating pregnancy, third 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 mental health disorder (other than depression or anxiety) during the third trimester (last three months) that complicates her pregnancy.
Coding Tips
- •Confirm third trimester documentation; this period is critical for monitoring mental health before delivery
- •Document any psychiatric symptoms that may affect labor, delivery, or postpartum care planning
Code Hierarchy
└O99Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium└O99.3Mental disorders and diseases of the nervous system complicating pregnancy, childbirth and the puerperium└O99.34Other mental disorders complicating pregnancy, childbirth, and the puerperium└O99.343Other mental disorders complicating pregnancy, third trimester
└O99.343Other mental disorders complicating pregnancy, third trimester