Toxic effect of hydrogen sulfide, self-harm, subs

This code signifies a patient presenting with adverse health effects resulting from deliberate self-exposure to hydrogen sulfide. These effects can range from respiratory distress and neurological symptoms to cardiovascular complications, depending on the concentration and duration of exposure.

Use this code for follow-up encounters where a patient is being treated for the sequelae of a prior, intentional self-harm attempt involving hydrogen sulfide. This includes ongoing management of organ damage, psychological support, or monitoring for delayed complications.

• Always assign an additional code for the specific manifestation(s) of the hydrogen sulfide toxicity.
• Ensure documentation clearly states the intentional nature of the exposure and that this is a subsequent encounter.
• Do not use this code for accidental exposures; refer to the appropriate accidental poisoning codes.