Neurosurgery Coding Alert

Question: Encounter notes indicate that a patient suffers from cell-associated neurotoxicity syndrome. What is the correct diagnosis code for this condition?

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Answer: Your code choice hinges on the grade of the neurotoxicity. Choose from G92.01 (Immune effector cell-associated neurotoxicity syndrome, grade 1) through G92.05 (Immune effector cell-associated neurotoxicity syndrome, grade 5), depending on encounter specifics. If the grade isn’t noted, select G92.00 (Immune effector cell-associated neurotoxicity syndrome, grade unspecified) instead.

Also: Make sure you follow the coding instructions under the descriptor for G92.0- (Immune effector cell-associated neurotoxicity syndrome):

• “Code first underlying cause such as: complications of immune effector cellular therapy (T80.82).
• “Code also, if applicable, associated signs and symptoms, such as: cerebral edema (G93.6).”