O99.340
ICD-10-CMOther mental disorders complicating pregnancy, unspecified trimester
This code signifies the presence of a mental health condition, excluding those specifically related to substance use, that complicates a pregnancy. It indicates that the mental disorder is impacting the pregnancy's course or management, and the specific trimester is not documented.
Apply this code when a pregnant patient is diagnosed with a mental disorder (e.g., anxiety, depression, psychosis) that is not substance-induced, and the provider explicitly states it is complicating the pregnancy. Documentation should clearly link the mental health condition to the pregnancy and indicate an unspecified trimester.
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