Unsp maternal infec/parastc disease comp preg, third tri

This code signifies an unspecified infectious or parasitic disease in a pregnant patient during her third trimester that is complicating the pregnancy. It indicates that the infection's specific nature is not documented, but it is recognized as having an adverse effect on the pregnancy.

Apply this code when documentation clearly states an infectious or parasitic disease is complicating a third-trimester pregnancy, but the specific type of infection (e.g., bacterial, viral, fungal, parasitic) is not identified. This code is appropriate when the provider notes "maternal infection complicating pregnancy, unspecified" in the third trimester.

• Always strive for a more specific infection code if available in the documentation.
• Ensure the documentation explicitly links the infection to a complication of the pregnancy.
• Sequence this code as a secondary diagnosis when the primary reason for the encounter is related to the pregnancy or delivery.