Toxic effect of unsp snake venom, self-harm, init

This code signifies a patient presenting with adverse systemic effects resulting from exposure to an unidentified snake venom, where the exposure was deliberately self-inflicted. The patient is in the initial phase of receiving active treatment for this toxic effect.

Apply this code when a patient is admitted or seen for the first time due to a suicide attempt involving an unknown snake bite. This includes emergency department visits or initial inpatient admissions where the intent is clearly documented as self-harm.

• Requires clear documentation of "intentional self-harm" and "unspecified snake venom."
• The "A" seventh character indicates an initial encounter for active treatment.
• Always sequence this code first as the primary diagnosis when it is the reason for the encounter.