Complete ICD-10-CM coding and documentation guide for icd-10 coding for idiopathic intracranial hypertension includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Idiopathic Intracranial Hypertension
Use ICD-10 code G93.2 for benign intracranial hypertension, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Papilledema
Use when papilledema is present as a result of IIH.
Sixth nerve palsy
Use when sixth nerve palsy is present as a complication of IIH.
The ICD-10 code for idiopathic intracranial hypertension is G93.2, used when the condition is confirmed as idiopathic with no secondary causes.
Idiopathic intracranial hypertension is diagnosed using the modified Dandy criteria, including lumbar puncture showing opening pressure ≥250 mmH₂O and normal neuroimaging.