Supervision of elderly primigravida, unspecified trimester

This code signifies the medical oversight provided to a first-time pregnant patient who is considered elderly, typically defined as 35 years of age or older at the time of conception or delivery. It indicates that the pregnancy is being managed with increased vigilance due to the potential risks associated with advanced maternal age, without specifying the trimester of pregnancy.

Use this code for routine prenatal care encounters for a primigravid patient aged 35 or older when the specific trimester is not documented or is unknown. Documentation should clearly state the patient's age and primigravid status, and that the pregnancy is being supervised. This code is appropriate for initial visits where trimester is not yet established or for ongoing care where the trimester isn't the primary focus of the encounter's documentation.

• Do not use this code if the patient's age or primigravid status is not clearly documented.
• If the trimester is known and documented, use the more specific O09.51- codes (e.g., O09.511, O09.512, O09.513).
• This code is for supervision only; additional codes for any complications or specific conditions should be reported separately.