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2025 ICD-10-CM code O99.612

Diseases of the digestive system complicating pregnancy, second trimester.

This code is for use in maternal records only, not on the newborn record. An additional code from category Z3A should be used to indicate the specific week of gestation, if known. Use additional code(s) to identify specific condition.

The medical necessity for this code is established by the presence of a digestive system disease that complicates the pregnancy. The diagnosis should be supported by clinical findings and appropriate diagnostic testing.

The physician is responsible for diagnosing the specific digestive system disease and managing it appropriately during the pregnancy, considering both maternal and fetal well-being.

In simple words: This code indicates digestive problems affecting a pregnant woman during her second trimester.

This code is used to describe diseases of the digestive system that complicate a pregnancy in the second trimester (14 weeks 0 days to less than 28 weeks 0 days).

Example 1: A pregnant woman at 16 weeks gestation presents with persistent nausea and vomiting, diagnosed as hyperemesis gravidarum. , A pregnant woman at 20 weeks gestation experiences worsening GERD symptoms., A pregnant woman at 24 weeks gestation develops cholecystitis.

Documentation should include the specific diagnosis of the digestive system disease, the trimester of pregnancy, and any associated symptoms or complications. Any treatment provided should also be documented.

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