Poisoning by oth antihypertn drugs, undetermined, sequela

This code signifies a long-term health problem or complication arising from an exposure to an unspecified antihypertensive medication, where the intent of the poisoning (e.g., accidental, intentional self-harm, assault) cannot be determined. It indicates that the acute phase of the poisoning has passed, and the patient is now experiencing residual effects.

Apply this code when documenting a chronic condition or lasting consequence directly attributable to a past poisoning by an antihypertensive drug, and the circumstances surrounding the exposure remain unknown. This is appropriate for follow-up encounters where the sequelae are being managed, rather than the acute poisoning event itself.

• Only use this code for documented sequelae, not for acute poisoning events.
• Ensure the medical record clearly links the current condition to a past antihypertensive drug poisoning.
• Confirm that the intent of the poisoning is explicitly stated as "undetermined" in the clinical documentation.