Poisoning by oth antihypertensive drugs, self-harm, init

This code signifies a deliberate act of self-poisoning using antihypertensive medications other than those specifically classified elsewhere (e.g., ACE inhibitors, beta-blockers). It indicates that the patient intentionally ingested these drugs with the intent to cause harm to themselves. This is an initial encounter for this specific poisoning event.

Apply this code when documentation clearly states an intentional overdose of a non-specified antihypertensive drug, such as a calcium channel blocker or diuretic, as the cause of the patient's presentation. This is appropriate for the first time the patient is seen for this particular self-harm incident. It would be used in emergency department visits, initial hospital admissions, or first outpatient encounters related to the poisoning.

• Always verify the intent (intentional self-harm) and the specific type of antihypertensive drug involved.
• Ensure the encounter is indeed the "initial" one for this poisoning event; subsequent encounters will require a different seventh character.
• Code any associated mental health conditions, such as depression or suicidal ideation, as additional diagnoses.