ICD-10 Code G97.84 – Intracranial hypotension following other procedure (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code G97.84 – Intracranial hypotension following other procedure
What it is
G97.84 identifies intracranial hypotension that develops after a procedure. It usually reflects low cerebrospinal fluid pressure related to a procedure, often from a leak or loss of fluid.
Clinical signs
Typical features include a post-procedure headache that is often worse when upright and better when lying down. Clinical features vary; refer to documentation.
When to use this code
Use this code when the provider documents intracranial hypotension as a complication of a procedure and the causal link is clear. It may apply after surgery, lumbar puncture, or another intervention if the record supports the diagnosis. Check documentation for the specific procedure and complication relationship.
Do not use for
Do not use this code for headaches or dizziness without documented intracranial hypotension. Do not assign it when the low-pressure state is unrelated to a procedure.
Coding tip
Verify that the note links the hypotension to the procedure before coding G97.84.