Poisn by oth prim sys and hematolog agents, acc, sequela

This code indicates a long-term or residual effect resulting from an accidental overdose or toxic exposure to systemic or hematological agents not classified elsewhere. These agents affect multiple body systems or blood components, and the sequela represents a condition persisting after the acute phase of the poisoning has resolved.

Use this code when documenting a chronic condition or permanent damage directly attributable to a past unintentional poisoning by substances like certain heavy metals, anticoagulants, or other systemic toxins. This applies when the patient is no longer in the acute phase of poisoning but is being treated for its lasting consequences.

• Always sequence the code for the specific sequela (e.g., chronic kidney disease, neuropathy) first, followed by this sequela code.
• Ensure documentation clearly links the current condition to a past accidental poisoning by a systemic or hematological agent.
• Verify that the poisoning event was unintentional; intentional poisonings (suicide attempt) or assault would use different codes.